18700500

素因数分解:

$2^2\times 3^1\times 5^3\times 7^1\times {\mathrm{13}}^1\times {\mathrm{137}}^1$

素因数の和:179

約数の個数: 192

約数和(自身を含む): 67511808

約数和(自身を除く): 48811308

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 12, 13, 14, 15, 20, 21, 25, 26, 28, 30, 35, 39, 42, 50, 52, 60, 65, 70, 75, 78, 84, 91, 100, 105, 125, 130, 137, 140, 150, 156, 175, 182, 195, 210, 250, 260, 273, 274, 300, 325, 350, 364, 375, 390, 411, 420, 455, 500, 525, 546, 548, 650, 685, 700, 750, 780, 822, 875, 910, 959, 975, 1050, 1092, 1300, 1365, 1370, 1500, 1625, 1644, 1750, 1781, 1820, 1918, 1950, 2055, 2100, 2275, 2625, 2730, 2740, 2877, 3250, 3425, 3500, 3562, 3836, 3900, 4110, 4550, 4795, 4875, 5250, 5343, 5460, 5754, 6500, 6825, 6850, 7124, 8220, 8905, 9100, 9590, 9750, 10275, 10500, 10686, 11375, 11508, 12467, 13650, 13700, 14385, 17125, 17810, 19180, 19500, 20550, 21372, 22750, 23975, 24934, 26715, 27300, 28770, 34125, 34250, 35620, 37401, 41100, 44525, 45500, 47950, 49868, 51375, 53430, 57540, 62335, 68250, 68500, 71925, 74802, 89050, 95900, 102750, 106860, 119875, 124670, 133575, 136500, 143850, 149604, 178100, 187005, 205500, 222625, 239750, 249340, 267150, 287700, 311675, 359625, 374010, 445250, 479500, 534300, 623350, 667875, 719250, 748020, 890500, 935025, 1246700, 1335750, 1438500, 1558375, 1870050, 2671500, 3116750, 3740100, 4675125, 6233500, 9350250, 18700500]

約数ペア:

[(1, 18700500), (2, 9350250), (3, 6233500), (4, 4675125), (5, 3740100), (6, 3116750), (7, 2671500), (10, 1870050), (12, 1558375), (13, 1438500), (14, 1335750), (15, 1246700), (20, 935025), (21, 890500), (25, 748020), (26, 719250), (28, 667875), (30, 623350), (35, 534300), (39, 479500), (42, 445250), (50, 374010), (52, 359625), (60, 311675), (65, 287700), (70, 267150), (75, 249340), (78, 239750), (84, 222625), (91, 205500), (100, 187005), (105, 178100), (125, 149604), (130, 143850), (137, 136500), (140, 133575), (150, 124670), (156, 119875), (175, 106860), (182, 102750), (195, 95900), (210, 89050), (250, 74802), (260, 71925), (273, 68500), (274, 68250), (300, 62335), (325, 57540), (350, 53430), (364, 51375), (375, 49868), (390, 47950), (411, 45500), (420, 44525), (455, 41100), (500, 37401), (525, 35620), (546, 34250), (548, 34125), (650, 28770), (685, 27300), (700, 26715), (750, 24934), (780, 23975), (822, 22750), (875, 21372), (910, 20550), (959, 19500), (975, 19180), (1050, 17810), (1092, 17125), (1300, 14385), (1365, 13700), (1370, 13650), (1500, 12467), (1625, 11508), (1644, 11375), (1750, 10686), (1781, 10500), (1820, 10275), (1918, 9750), (1950, 9590), (2055, 9100), (2100, 8905), (2275, 8220), (2625, 7124), (2730, 6850), (2740, 6825), (2877, 6500), (3250, 5754), (3425, 5460), (3500, 5343), (3562, 5250), (3836, 4875), (3900, 4795), (4110, 4550)]