18884854

素因数分解:

$2^1\times {\mathrm{53}}^1\times {\mathrm{163}}^1\times {\mathrm{1093}}^1$

素因数の和:1311

約数の個数: 16

約数和(自身を含む): 29065392

約数和(自身を除く): 10180538

約数列:

[1, 2, 53, 106, 163, 326, 1093, 2186, 8639, 17278, 57929, 115858, 178159, 356318, 9442427, 18884854]

約数ペア:

[(1, 18884854), (2, 9442427), (53, 356318), (106, 178159), (163, 115858), (326, 57929), (1093, 17278), (2186, 8639)]