18948600

素因数分解:

$2^3\times 3^3\times 5^2\times {\mathrm{11}}^2\times {\mathrm{29}}^1$

素因数の和:76

約数の個数: 288

約数和(自身を含む): 74214000

約数和(自身を除く): 55265400

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 11, 12, 15, 18, 20, 22, 24, 25, 27, 29, 30, 33, 36, 40, 44, 45, 50, 54, 55, 58, 60, 66, 72, 75, 87, 88, 90, 99, 100, 108, 110, 116, 120, 121, 132, 135, 145, 150, 165, 174, 180, 198, 200, 216, 220, 225, 232, 242, 261, 264, 270, 275, 290, 297, 300, 319, 330, 348, 360, 363, 396, 435, 440, 450, 484, 495, 522, 540, 550, 580, 594, 600, 605, 638, 660, 675, 696, 725, 726, 783, 792, 825, 870, 900, 957, 968, 990, 1044, 1080, 1089, 1100, 1160, 1188, 1210, 1276, 1305, 1320, 1350, 1450, 1452, 1485, 1566, 1595, 1650, 1740, 1800, 1815, 1914, 1980, 2088, 2175, 2178, 2200, 2376, 2420, 2475, 2552, 2610, 2700, 2871, 2900, 2904, 2970, 3025, 3132, 3190, 3267, 3300, 3480, 3509, 3630, 3828, 3915, 3960, 4350, 4356, 4785, 4840, 4950, 5220, 5400, 5445, 5742, 5800, 5940, 6050, 6264, 6380, 6525, 6534, 6600, 7018, 7260, 7425, 7656, 7830, 7975, 8613, 8700, 8712, 9075, 9570, 9900, 10440, 10527, 10890, 11484, 11880, 12100, 12760, 13050, 13068, 14036, 14355, 14520, 14850, 15660, 15950, 16335, 17226, 17400, 17545, 18150, 19140, 19575, 19800, 21054, 21780, 22968, 23925, 24200, 26100, 26136, 27225, 28072, 28710, 29700, 31320, 31581, 31900, 32670, 34452, 35090, 36300, 38280, 39150, 42108, 43065, 43560, 47850, 52200, 52635, 54450, 57420, 59400, 63162, 63800, 65340, 68904, 70180, 71775, 72600, 78300, 81675, 84216, 86130, 87725, 94743, 95700, 105270, 108900, 114840, 126324, 130680, 140360, 143550, 156600, 157905, 163350, 172260, 175450, 189486, 191400, 210540, 215325, 217800, 252648, 263175, 287100, 315810, 326700, 344520, 350900, 378972, 421080, 430650, 473715, 526350, 574200, 631620, 653400, 701800, 757944, 789525, 861300, 947430, 1052700, 1263240, 1579050, 1722600, 1894860, 2105400, 2368575, 3158100, 3789720, 4737150, 6316200, 9474300, 18948600]

約数ペア:

[(1, 18948600), (2, 9474300), (3, 6316200), (4, 4737150), (5, 3789720), (6, 3158100), (8, 2368575), (9, 2105400), (10, 1894860), (11, 1722600), (12, 1579050), (15, 1263240), (18, 1052700), (20, 947430), (22, 861300), (24, 789525), (25, 757944), (27, 701800), (29, 653400), (30, 631620), (33, 574200), (36, 526350), (40, 473715), (44, 430650), (45, 421080), (50, 378972), (54, 350900), (55, 344520), (58, 326700), (60, 315810), (66, 287100), (72, 263175), (75, 252648), (87, 217800), (88, 215325), (90, 210540), (99, 191400), (100, 189486), (108, 175450), (110, 172260), (116, 163350), (120, 157905), (121, 156600), (132, 143550), (135, 140360), (145, 130680), (150, 126324), (165, 114840), (174, 108900), (180, 105270), (198, 95700), (200, 94743), (216, 87725), (220, 86130), (225, 84216), (232, 81675), (242, 78300), (261, 72600), (264, 71775), (270, 70180), (275, 68904), (290, 65340), (297, 63800), (300, 63162), (319, 59400), (330, 57420), (348, 54450), (360, 52635), (363, 52200), (396, 47850), (435, 43560), (440, 43065), (450, 42108), (484, 39150), (495, 38280), (522, 36300), (540, 35090), (550, 34452), (580, 32670), (594, 31900), (600, 31581), (605, 31320), (638, 29700), (660, 28710), (675, 28072), (696, 27225), (725, 26136), (726, 26100), (783, 24200), (792, 23925), (825, 22968), (870, 21780), (900, 21054), (957, 19800), (968, 19575), (990, 19140), (1044, 18150), (1080, 17545), (1089, 17400), (1100, 17226), (1160, 16335), (1188, 15950), (1210, 15660), (1276, 14850), (1305, 14520), (1320, 14355), (1350, 14036), (1450, 13068), (1452, 13050), (1485, 12760), (1566, 12100), (1595, 11880), (1650, 11484), (1740, 10890), (1800, 10527), (1815, 10440), (1914, 9900), (1980, 9570), (2088, 9075), (2175, 8712), (2178, 8700), (2200, 8613), (2376, 7975), (2420, 7830), (2475, 7656), (2552, 7425), (2610, 7260), (2700, 7018), (2871, 6600), (2900, 6534), (2904, 6525), (2970, 6380), (3025, 6264), (3132, 6050), (3190, 5940), (3267, 5800), (3300, 5742), (3480, 5445), (3509, 5400), (3630, 5220), (3828, 4950), (3915, 4840), (3960, 4785), (4350, 4356)]