18271591

素因数分解:

${\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{53}}^1\times {\mathrm{1153}}^1$

素因数の和:1242

約数の個数: 16

約数和(自身を含む): 20938176

約数和(自身を除く): 2666585

約数列:

[1, 13, 23, 53, 299, 689, 1153, 1219, 14989, 15847, 26519, 61109, 344747, 794417, 1405507, 18271591]

約数ペア:

[(1, 18271591), (13, 1405507), (23, 794417), (53, 344747), (299, 61109), (689, 26519), (1153, 15847), (1219, 14989)]