15919180

素因数分解:

$2^2\times 5^1\times {\mathrm{313}}^1\times {\mathrm{2543}}^1$

素因数の和:2865

約数の個数: 24

約数和(自身を含む): 33550272

約数和(自身を除く): 17631092

約数列:

[1, 2, 4, 5, 10, 20, 313, 626, 1252, 1565, 2543, 3130, 5086, 6260, 10172, 12715, 25430, 50860, 795959, 1591918, 3183836, 3979795, 7959590, 15919180]

約数ペア:

[(1, 15919180), (2, 7959590), (4, 3979795), (5, 3183836), (10, 1591918), (20, 795959), (313, 50860), (626, 25430), (1252, 12715), (1565, 10172), (2543, 6260), (3130, 5086)]