18531000

素因数分解:

$2^3\times 3^2\times 5^3\times {\mathrm{29}}^1\times {\mathrm{71}}^1$

素因数の和:127

約数の個数: 192

約数和(自身を含む): 65707200

約数和(自身を除く): 47176200

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 18, 20, 24, 25, 29, 30, 36, 40, 45, 50, 58, 60, 71, 72, 75, 87, 90, 100, 116, 120, 125, 142, 145, 150, 174, 180, 200, 213, 225, 232, 250, 261, 284, 290, 300, 348, 355, 360, 375, 426, 435, 450, 500, 522, 568, 580, 600, 639, 696, 710, 725, 750, 852, 870, 900, 1000, 1044, 1065, 1125, 1160, 1278, 1305, 1420, 1450, 1500, 1704, 1740, 1775, 1800, 2059, 2088, 2130, 2175, 2250, 2556, 2610, 2840, 2900, 3000, 3195, 3480, 3550, 3625, 4118, 4260, 4350, 4500, 5112, 5220, 5325, 5800, 6177, 6390, 6525, 7100, 7250, 8236, 8520, 8700, 8875, 9000, 10295, 10440, 10650, 10875, 12354, 12780, 13050, 14200, 14500, 15975, 16472, 17400, 17750, 18531, 20590, 21300, 21750, 24708, 25560, 26100, 26625, 29000, 30885, 31950, 32625, 35500, 37062, 41180, 42600, 43500, 49416, 51475, 52200, 53250, 61770, 63900, 65250, 71000, 74124, 79875, 82360, 87000, 92655, 102950, 106500, 123540, 127800, 130500, 148248, 154425, 159750, 185310, 205900, 213000, 247080, 257375, 261000, 308850, 319500, 370620, 411800, 463275, 514750, 617700, 639000, 741240, 772125, 926550, 1029500, 1235400, 1544250, 1853100, 2059000, 2316375, 3088500, 3706200, 4632750, 6177000, 9265500, 18531000]

約数ペア:

[(1, 18531000), (2, 9265500), (3, 6177000), (4, 4632750), (5, 3706200), (6, 3088500), (8, 2316375), (9, 2059000), (10, 1853100), (12, 1544250), (15, 1235400), (18, 1029500), (20, 926550), (24, 772125), (25, 741240), (29, 639000), (30, 617700), (36, 514750), (40, 463275), (45, 411800), (50, 370620), (58, 319500), (60, 308850), (71, 261000), (72, 257375), (75, 247080), (87, 213000), (90, 205900), (100, 185310), (116, 159750), (120, 154425), (125, 148248), (142, 130500), (145, 127800), (150, 123540), (174, 106500), (180, 102950), (200, 92655), (213, 87000), (225, 82360), (232, 79875), (250, 74124), (261, 71000), (284, 65250), (290, 63900), (300, 61770), (348, 53250), (355, 52200), (360, 51475), (375, 49416), (426, 43500), (435, 42600), (450, 41180), (500, 37062), (522, 35500), (568, 32625), (580, 31950), (600, 30885), (639, 29000), (696, 26625), (710, 26100), (725, 25560), (750, 24708), (852, 21750), (870, 21300), (900, 20590), (1000, 18531), (1044, 17750), (1065, 17400), (1125, 16472), (1160, 15975), (1278, 14500), (1305, 14200), (1420, 13050), (1450, 12780), (1500, 12354), (1704, 10875), (1740, 10650), (1775, 10440), (1800, 10295), (2059, 9000), (2088, 8875), (2130, 8700), (2175, 8520), (2250, 8236), (2556, 7250), (2610, 7100), (2840, 6525), (2900, 6390), (3000, 6177), (3195, 5800), (3480, 5325), (3550, 5220), (3625, 5112), (4118, 4500), (4260, 4350)]