15115984

素因数分解:

$2^4\times {\mathrm{13}}^1\times {\mathrm{72673}}^1$

素因数の和:72694

約数の個数: 20

約数和(自身を含む): 31540516

約数和(自身を除く): 16424532

約数列:

[1, 2, 4, 8, 13, 16, 26, 52, 104, 208, 72673, 145346, 290692, 581384, 944749, 1162768, 1889498, 3778996, 7557992, 15115984]

約数ペア:

[(1, 15115984), (2, 7557992), (4, 3778996), (8, 1889498), (13, 1162768), (16, 944749), (26, 581384), (52, 290692), (104, 145346), (208, 72673)]