18408494

素因数分解:

$2^1\times {\mathrm{13}}^2\times {\mathrm{107}}^1\times {\mathrm{509}}^1$

素因数の和:644

約数の個数: 24

約数和(自身を含む): 30238920

約数和(自身を除く): 11830426

約数列:

[1, 2, 13, 26, 107, 169, 214, 338, 509, 1018, 1391, 2782, 6617, 13234, 18083, 36166, 54463, 86021, 108926, 172042, 708019, 1416038, 9204247, 18408494]

約数ペア:

[(1, 18408494), (2, 9204247), (13, 1416038), (26, 708019), (107, 172042), (169, 108926), (214, 86021), (338, 54463), (509, 36166), (1018, 18083), (1391, 13234), (2782, 6617)]