19209385

素因数分解:

$5^1\times {\mathrm{13}}^2\times {\mathrm{127}}^1\times {\mathrm{179}}^1$

素因数の和:337

約数の個数: 24

約数和(自身を含む): 25297920

約数和(自身を除く): 6088535

約数列:

[1, 5, 13, 65, 127, 169, 179, 635, 845, 895, 1651, 2327, 8255, 11635, 21463, 22733, 30251, 107315, 113665, 151255, 295529, 1477645, 3841877, 19209385]

約数ペア:

[(1, 19209385), (5, 3841877), (13, 1477645), (65, 295529), (127, 151255), (169, 113665), (179, 107315), (635, 30251), (845, 22733), (895, 21463), (1651, 11635), (2327, 8255)]