18710361580

素因数分解:

$2^2\times 5^1\times {\mathrm{79}}^1\times {\mathrm{11842001}}^1$

素因数の和:11842089

約数の個数: 24

約数和(自身を含む): 39789126720

約数和(自身を除く): 21078765140

約数列:

[1, 2, 4, 5, 10, 20, 79, 158, 316, 395, 790, 1580, 11842001, 23684002, 47368004, 59210005, 118420010, 236840020, 935518079, 1871036158, 3742072316, 4677590395, 9355180790, 18710361580]

約数ペア:

[(1, 18710361580), (2, 9355180790), (4, 4677590395), (5, 3742072316), (10, 1871036158), (20, 935518079), (79, 236840020), (158, 118420010), (316, 59210005), (395, 47368004), (790, 23684002), (1580, 11842001)]