12891310

素因数分解:

$2^1\times 5^1\times {\mathrm{19}}^2\times {\mathrm{3571}}^1$

素因数の和:3616

約数の個数: 24

約数和(自身を含む): 24496776

約数和(自身を除く): 11605466

約数列:

[1, 2, 5, 10, 19, 38, 95, 190, 361, 722, 1805, 3571, 3610, 7142, 17855, 35710, 67849, 135698, 339245, 678490, 1289131, 2578262, 6445655, 12891310]

約数ペア:

[(1, 12891310), (2, 6445655), (5, 2578262), (10, 1289131), (19, 678490), (38, 339245), (95, 135698), (190, 67849), (361, 35710), (722, 17855), (1805, 7142), (3571, 3610)]