18919594

素因数分解:

$2^1\times {\mathrm{67}}^1\times {\mathrm{271}}^1\times {\mathrm{521}}^1$

素因数の和:861

約数の個数: 16

約数和(自身を含む): 28964736

約数和(自身を除く): 10045142

約数列:

[1, 2, 67, 134, 271, 521, 542, 1042, 18157, 34907, 36314, 69814, 141191, 282382, 9459797, 18919594]

約数ペア:

[(1, 18919594), (2, 9459797), (67, 282382), (134, 141191), (271, 69814), (521, 36314), (542, 34907), (1042, 18157)]