18916740

素因数分解:

$2^2\times 3^4\times 5^1\times {\mathrm{11677}}^1$

素因数の和:11698

約数の個数: 60

約数和(自身を含む): 59347596

約数和(自身を除く): 40430856

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 27, 30, 36, 45, 54, 60, 81, 90, 108, 135, 162, 180, 270, 324, 405, 540, 810, 1620, 11677, 23354, 35031, 46708, 58385, 70062, 105093, 116770, 140124, 175155, 210186, 233540, 315279, 350310, 420372, 525465, 630558, 700620, 945837, 1050930, 1261116, 1576395, 1891674, 2101860, 3152790, 3783348, 4729185, 6305580, 9458370, 18916740]

約数ペア:

[(1, 18916740), (2, 9458370), (3, 6305580), (4, 4729185), (5, 3783348), (6, 3152790), (9, 2101860), (10, 1891674), (12, 1576395), (15, 1261116), (18, 1050930), (20, 945837), (27, 700620), (30, 630558), (36, 525465), (45, 420372), (54, 350310), (60, 315279), (81, 233540), (90, 210186), (108, 175155), (135, 140124), (162, 116770), (180, 105093), (270, 70062), (324, 58385), (405, 46708), (540, 35031), (810, 23354), (1620, 11677)]