18520414

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{179}}^1\times {\mathrm{4703}}^1$

素因数の和:4895

約数の個数: 16

約数和(自身を含む): 30481920

約数和(自身を除く): 11961506

約数列:

[1, 2, 11, 22, 179, 358, 1969, 3938, 4703, 9406, 51733, 103466, 841837, 1683674, 9260207, 18520414]

約数ペア:

[(1, 18520414), (2, 9260207), (11, 1683674), (22, 841837), (179, 103466), (358, 51733), (1969, 9406), (3938, 4703)]