18983940

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{107}}^1\times {\mathrm{2957}}^1$

素因数の和:3076

約数の個数: 48

約数和(自身を含む): 53669952

約数和(自身を除く): 34686012

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 60, 107, 214, 321, 428, 535, 642, 1070, 1284, 1605, 2140, 2957, 3210, 5914, 6420, 8871, 11828, 14785, 17742, 29570, 35484, 44355, 59140, 88710, 177420, 316399, 632798, 949197, 1265596, 1581995, 1898394, 3163990, 3796788, 4745985, 6327980, 9491970, 18983940]

約数ペア:

[(1, 18983940), (2, 9491970), (3, 6327980), (4, 4745985), (5, 3796788), (6, 3163990), (10, 1898394), (12, 1581995), (15, 1265596), (20, 949197), (30, 632798), (60, 316399), (107, 177420), (214, 88710), (321, 59140), (428, 44355), (535, 35484), (642, 29570), (1070, 17742), (1284, 14785), (1605, 11828), (2140, 8871), (2957, 6420), (3210, 5914)]