19163943

素因数分解:

$3^2\times {\mathrm{61}}^1\times {\mathrm{67}}^1\times {\mathrm{521}}^1$

素因数の和:655

約数の個数: 24

約数和(自身を含む): 28609776

約数和(自身を除く): 9445833

約数列:

[1, 3, 9, 61, 67, 183, 201, 521, 549, 603, 1563, 4087, 4689, 12261, 31781, 34907, 36783, 95343, 104721, 286029, 314163, 2129327, 6387981, 19163943]

約数ペア:

[(1, 19163943), (3, 6387981), (9, 2129327), (61, 314163), (67, 286029), (183, 104721), (201, 95343), (521, 36783), (549, 34907), (603, 31781), (1563, 12261), (4087, 4689)]