11891790

素因数分解:

$2^1\times 3^2\times 5^1\times {\mathrm{71}}^1\times {\mathrm{1861}}^1$

素因数の和:1945

約数の個数: 48

約数和(自身を含む): 31370976

約数和(自身を除く): 19479186

約数列:

[1, 2, 3, 5, 6, 9, 10, 15, 18, 30, 45, 71, 90, 142, 213, 355, 426, 639, 710, 1065, 1278, 1861, 2130, 3195, 3722, 5583, 6390, 9305, 11166, 16749, 18610, 27915, 33498, 55830, 83745, 132131, 167490, 264262, 396393, 660655, 792786, 1189179, 1321310, 1981965, 2378358, 3963930, 5945895, 11891790]

約数ペア:

[(1, 11891790), (2, 5945895), (3, 3963930), (5, 2378358), (6, 1981965), (9, 1321310), (10, 1189179), (15, 792786), (18, 660655), (30, 396393), (45, 264262), (71, 167490), (90, 132131), (142, 83745), (213, 55830), (355, 33498), (426, 27915), (639, 18610), (710, 16749), (1065, 11166), (1278, 9305), (1861, 6390), (2130, 5583), (3195, 3722)]