19874838

素因数分解:

$2^1\times 3^1\times {\mathrm{257}}^1\times {\mathrm{12889}}^1$

素因数の和:13151

約数の個数: 16

約数和(自身を含む): 39907440

約数和(自身を除く): 20032602

約数列:

[1, 2, 3, 6, 257, 514, 771, 1542, 12889, 25778, 38667, 77334, 3312473, 6624946, 9937419, 19874838]

約数ペア:

[(1, 19874838), (2, 9937419), (3, 6624946), (6, 3312473), (257, 77334), (514, 38667), (771, 25778), (1542, 12889)]