11981590

素因数分解:

$2^1\times 5^1\times {\mathrm{19}}^2\times {\mathrm{3319}}^1$

素因数の和:3364

約数の個数: 24

約数和(自身を含む): 22768560

約数和(自身を除く): 10786970

約数列:

[1, 2, 5, 10, 19, 38, 95, 190, 361, 722, 1805, 3319, 3610, 6638, 16595, 33190, 63061, 126122, 315305, 630610, 1198159, 2396318, 5990795, 11981590]

約数ペア:

[(1, 11981590), (2, 5990795), (5, 2396318), (10, 1198159), (19, 630610), (38, 315305), (95, 126122), (190, 63061), (361, 33190), (722, 16595), (1805, 6638), (3319, 3610)]