201819910

素因数分解:

$2^1\times 5^1\times {\mathrm{131}}^1\times {\mathrm{154061}}^1$

素因数の和:154199

約数の個数: 16

約数和(自身を含む): 366051312

約数和(自身を除く): 164231402

約数列:

[1, 2, 5, 10, 131, 262, 655, 1310, 154061, 308122, 770305, 1540610, 20181991, 40363982, 100909955, 201819910]

約数ペア:

[(1, 201819910), (2, 100909955), (5, 40363982), (10, 20181991), (131, 1540610), (262, 770305), (655, 308122), (1310, 154061)]