18658718

素因数分解:

$2^1\times {\mathrm{13}}^1\times {\mathrm{47}}^1\times {\mathrm{15269}}^1$

素因数の和:15331

約数の個数: 16

約数和(自身を含む): 30784320

約数和(自身を除く): 12125602

約数列:

[1, 2, 13, 26, 47, 94, 611, 1222, 15269, 30538, 198497, 396994, 717643, 1435286, 9329359, 18658718]

約数ペア:

[(1, 18658718), (2, 9329359), (13, 1435286), (26, 717643), (47, 396994), (94, 198497), (611, 30538), (1222, 15269)]