19997776510

素因数分解:

$2^1\times 5^1\times {\mathrm{43}}^1\times {\mathrm{103}}^1\times {\mathrm{451519}}^1$

素因数の和:451672

約数の個数: 32

約数和(自身を含む): 37190799360

約数和(自身を除く): 17193022850

約数列:

[1, 2, 5, 10, 43, 86, 103, 206, 215, 430, 515, 1030, 4429, 8858, 22145, 44290, 451519, 903038, 2257595, 4515190, 19415317, 38830634, 46506457, 93012914, 97076585, 194153170, 232532285, 465064570, 1999777651, 3999555302, 9998888255, 19997776510]

約数ペア:

[(1, 19997776510), (2, 9998888255), (5, 3999555302), (10, 1999777651), (43, 465064570), (86, 232532285), (103, 194153170), (206, 97076585), (215, 93012914), (430, 46506457), (515, 38830634), (1030, 19415317), (4429, 4515190), (8858, 2257595), (22145, 903038), (44290, 451519)]