18637740

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{9413}}^1$

素因数の和:9439

約数の個数: 72

約数和(自身を含む): 61680528

約数和(自身を除く): 43042788

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 11, 12, 15, 18, 20, 22, 30, 33, 36, 44, 45, 55, 60, 66, 90, 99, 110, 132, 165, 180, 198, 220, 330, 396, 495, 660, 990, 1980, 9413, 18826, 28239, 37652, 47065, 56478, 84717, 94130, 103543, 112956, 141195, 169434, 188260, 207086, 282390, 310629, 338868, 414172, 423585, 517715, 564780, 621258, 847170, 931887, 1035430, 1242516, 1553145, 1694340, 1863774, 2070860, 3106290, 3727548, 4659435, 6212580, 9318870, 18637740]

約数ペア:

[(1, 18637740), (2, 9318870), (3, 6212580), (4, 4659435), (5, 3727548), (6, 3106290), (9, 2070860), (10, 1863774), (11, 1694340), (12, 1553145), (15, 1242516), (18, 1035430), (20, 931887), (22, 847170), (30, 621258), (33, 564780), (36, 517715), (44, 423585), (45, 414172), (55, 338868), (60, 310629), (66, 282390), (90, 207086), (99, 188260), (110, 169434), (132, 141195), (165, 112956), (180, 103543), (198, 94130), (220, 84717), (330, 56478), (396, 47065), (495, 37652), (660, 28239), (990, 18826), (1980, 9413)]