16981174

素因数分解:

$2^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{63839}}^1$

素因数の和:63867

約数の個数: 16

約数和(自身を含む): 30643200

約数和(自身を除く): 13662026

約数列:

[1, 2, 7, 14, 19, 38, 133, 266, 63839, 127678, 446873, 893746, 1212941, 2425882, 8490587, 16981174]

約数ペア:

[(1, 16981174), (2, 8490587), (7, 2425882), (14, 1212941), (19, 893746), (38, 446873), (133, 127678), (266, 63839)]