19676878

素因数分解:

$2^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{24413}}^1$

素因数の和:24459

約数の個数: 16

約数和(自身を含む): 32812416

約数和(自身を除く): 13135538

約数列:

[1, 2, 13, 26, 31, 62, 403, 806, 24413, 48826, 317369, 634738, 756803, 1513606, 9838439, 19676878]

約数ペア:

[(1, 19676878), (2, 9838439), (13, 1513606), (26, 756803), (31, 634738), (62, 317369), (403, 48826), (806, 24413)]