18868138

素因数分解:

$2^1\times {\mathrm{67}}^1\times {\mathrm{139}}^1\times {\mathrm{1013}}^1$

素因数の和:1221

約数の個数: 16

約数和(自身を含む): 28959840

約数和(自身を除く): 10091702

約数列:

[1, 2, 67, 134, 139, 278, 1013, 2026, 9313, 18626, 67871, 135742, 140807, 281614, 9434069, 18868138]

約数ペア:

[(1, 18868138), (2, 9434069), (67, 281614), (134, 140807), (139, 135742), (278, 67871), (1013, 18626), (2026, 9313)]