18417960

素因数分解:

$2^3\times 3^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{4651}}^1$

素因数の和:4679

約数の個数: 96

約数和(自身を含む): 65314080

約数和(自身を除く): 46896120

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 11, 12, 15, 18, 20, 22, 24, 30, 33, 36, 40, 44, 45, 55, 60, 66, 72, 88, 90, 99, 110, 120, 132, 165, 180, 198, 220, 264, 330, 360, 396, 440, 495, 660, 792, 990, 1320, 1980, 3960, 4651, 9302, 13953, 18604, 23255, 27906, 37208, 41859, 46510, 51161, 55812, 69765, 83718, 93020, 102322, 111624, 139530, 153483, 167436, 186040, 204644, 209295, 255805, 279060, 306966, 334872, 409288, 418590, 460449, 511610, 558120, 613932, 767415, 837180, 920898, 1023220, 1227864, 1534830, 1674360, 1841796, 2046440, 2302245, 3069660, 3683592, 4604490, 6139320, 9208980, 18417960]

約数ペア:

[(1, 18417960), (2, 9208980), (3, 6139320), (4, 4604490), (5, 3683592), (6, 3069660), (8, 2302245), (9, 2046440), (10, 1841796), (11, 1674360), (12, 1534830), (15, 1227864), (18, 1023220), (20, 920898), (22, 837180), (24, 767415), (30, 613932), (33, 558120), (36, 511610), (40, 460449), (44, 418590), (45, 409288), (55, 334872), (60, 306966), (66, 279060), (72, 255805), (88, 209295), (90, 204644), (99, 186040), (110, 167436), (120, 153483), (132, 139530), (165, 111624), (180, 102322), (198, 93020), (220, 83718), (264, 69765), (330, 55812), (360, 51161), (396, 46510), (440, 41859), (495, 37208), (660, 27906), (792, 23255), (990, 18604), (1320, 13953), (1980, 9302), (3960, 4651)]