18955388

素因数分解:

$2^2\times {\mathrm{19}}^2\times {\mathrm{13127}}^1$

素因数の和:13169

約数の個数: 18

約数和(自身を含む): 35012376

約数和(自身を除く): 16056988

約数列:

[1, 2, 4, 19, 38, 76, 361, 722, 1444, 13127, 26254, 52508, 249413, 498826, 997652, 4738847, 9477694, 18955388]

約数ペア:

[(1, 18955388), (2, 9477694), (4, 4738847), (19, 997652), (38, 498826), (76, 249413), (361, 52508), (722, 26254), (1444, 13127)]