18237418

素因数分解:

$2^1\times {\mathrm{43}}^1\times {\mathrm{163}}^1\times {\mathrm{1301}}^1$

素因数の和:1509

約数の個数: 16

約数和(自身を含む): 28185696

約数和(自身を除く): 9948278

約数列:

[1, 2, 43, 86, 163, 326, 1301, 2602, 7009, 14018, 55943, 111886, 212063, 424126, 9118709, 18237418]

約数ペア:

[(1, 18237418), (2, 9118709), (43, 424126), (86, 212063), (163, 111886), (326, 55943), (1301, 14018), (2602, 7009)]