18899532

素因数分解:

$2^2\times 3^2\times {\mathrm{29}}^1\times {\mathrm{43}}^1\times {\mathrm{421}}^1$

素因数の和:503

約数の個数: 72

約数和(自身を含む): 50690640

約数和(自身を除く): 31791108

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 29, 36, 43, 58, 86, 87, 116, 129, 172, 174, 258, 261, 348, 387, 421, 516, 522, 774, 842, 1044, 1247, 1263, 1548, 1684, 2494, 2526, 3741, 3789, 4988, 5052, 7482, 7578, 11223, 12209, 14964, 15156, 18103, 22446, 24418, 36206, 36627, 44892, 48836, 54309, 72412, 73254, 108618, 109881, 146508, 162927, 217236, 219762, 325854, 439524, 524987, 651708, 1049974, 1574961, 2099948, 3149922, 4724883, 6299844, 9449766, 18899532]

約数ペア:

[(1, 18899532), (2, 9449766), (3, 6299844), (4, 4724883), (6, 3149922), (9, 2099948), (12, 1574961), (18, 1049974), (29, 651708), (36, 524987), (43, 439524), (58, 325854), (86, 219762), (87, 217236), (116, 162927), (129, 146508), (172, 109881), (174, 108618), (258, 73254), (261, 72412), (348, 54309), (387, 48836), (421, 44892), (516, 36627), (522, 36206), (774, 24418), (842, 22446), (1044, 18103), (1247, 15156), (1263, 14964), (1548, 12209), (1684, 11223), (2494, 7578), (2526, 7482), (3741, 5052), (3789, 4988)]