18140460

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{13}}^2\times {\mathrm{1789}}^1$

素因数の和:1827

約数の個数: 72

約数和(自身を含む): 55031760

約数和(自身を除く): 36891300

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 13, 15, 20, 26, 30, 39, 52, 60, 65, 78, 130, 156, 169, 195, 260, 338, 390, 507, 676, 780, 845, 1014, 1690, 1789, 2028, 2535, 3380, 3578, 5070, 5367, 7156, 8945, 10140, 10734, 17890, 21468, 23257, 26835, 35780, 46514, 53670, 69771, 93028, 107340, 116285, 139542, 232570, 279084, 302341, 348855, 465140, 604682, 697710, 907023, 1209364, 1395420, 1511705, 1814046, 3023410, 3628092, 4535115, 6046820, 9070230, 18140460]

約数ペア:

[(1, 18140460), (2, 9070230), (3, 6046820), (4, 4535115), (5, 3628092), (6, 3023410), (10, 1814046), (12, 1511705), (13, 1395420), (15, 1209364), (20, 907023), (26, 697710), (30, 604682), (39, 465140), (52, 348855), (60, 302341), (65, 279084), (78, 232570), (130, 139542), (156, 116285), (169, 107340), (195, 93028), (260, 69771), (338, 53670), (390, 46514), (507, 35780), (676, 26835), (780, 23257), (845, 21468), (1014, 17890), (1690, 10734), (1789, 10140), (2028, 8945), (2535, 7156), (3380, 5367), (3578, 5070)]