18539188

素因数分解:

$2^2\times {\mathrm{53}}^1\times {\mathrm{157}}^1\times {\mathrm{557}}^1$

素因数の和:771

約数の個数: 24

約数和(自身を含む): 33325992

約数和(自身を除く): 14786804

約数列:

[1, 2, 4, 53, 106, 157, 212, 314, 557, 628, 1114, 2228, 8321, 16642, 29521, 33284, 59042, 87449, 118084, 174898, 349796, 4634797, 9269594, 18539188]

約数ペア:

[(1, 18539188), (2, 9269594), (4, 4634797), (53, 349796), (106, 174898), (157, 118084), (212, 87449), (314, 59042), (557, 33284), (628, 29521), (1114, 16642), (2228, 8321)]