19754410

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^2\times {\mathrm{11689}}^1$

素因数の和:11722

約数の個数: 24

約数和(自身を含む): 38506860

約数和(自身を除く): 18752450

約数列:

[1, 2, 5, 10, 13, 26, 65, 130, 169, 338, 845, 1690, 11689, 23378, 58445, 116890, 151957, 303914, 759785, 1519570, 1975441, 3950882, 9877205, 19754410]

約数ペア:

[(1, 19754410), (2, 9877205), (5, 3950882), (10, 1975441), (13, 1519570), (26, 759785), (65, 303914), (130, 151957), (169, 116890), (338, 58445), (845, 23378), (1690, 11689)]