18119150020

素因数分解:

$2^2\times 5^1\times {\mathrm{8861}}^1\times {\mathrm{102241}}^1$

素因数の和:111111

約数の個数: 24

約数和(自身を含む): 38054881368

約数和(自身を除く): 19935731348

約数列:

[1, 2, 4, 5, 10, 20, 8861, 17722, 35444, 44305, 88610, 102241, 177220, 204482, 408964, 511205, 1022410, 2044820, 905957501, 1811915002, 3623830004, 4529787505, 9059575010, 18119150020]

約数ペア:

[(1, 18119150020), (2, 9059575010), (4, 4529787505), (5, 3623830004), (10, 1811915002), (20, 905957501), (8861, 2044820), (17722, 1022410), (35444, 511205), (44305, 408964), (88610, 204482), (102241, 177220)]