18238788

素因数分解:

$2^2\times 3^2\times {\mathrm{31}}^1\times {\mathrm{59}}^1\times {\mathrm{277}}^1$

素因数の和:377

約数の個数: 72

約数和(自身を含む): 48572160

約数和(自身を除く): 30333372

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 31, 36, 59, 62, 93, 118, 124, 177, 186, 236, 277, 279, 354, 372, 531, 554, 558, 708, 831, 1062, 1108, 1116, 1662, 1829, 2124, 2493, 3324, 3658, 4986, 5487, 7316, 8587, 9972, 10974, 16343, 16461, 17174, 21948, 25761, 32686, 32922, 34348, 49029, 51522, 65372, 65844, 77283, 98058, 103044, 147087, 154566, 196116, 294174, 309132, 506633, 588348, 1013266, 1519899, 2026532, 3039798, 4559697, 6079596, 9119394, 18238788]

約数ペア:

[(1, 18238788), (2, 9119394), (3, 6079596), (4, 4559697), (6, 3039798), (9, 2026532), (12, 1519899), (18, 1013266), (31, 588348), (36, 506633), (59, 309132), (62, 294174), (93, 196116), (118, 154566), (124, 147087), (177, 103044), (186, 98058), (236, 77283), (277, 65844), (279, 65372), (354, 51522), (372, 49029), (531, 34348), (554, 32922), (558, 32686), (708, 25761), (831, 21948), (1062, 17174), (1108, 16461), (1116, 16343), (1662, 10974), (1829, 9972), (2124, 8587), (2493, 7316), (3324, 5487), (3658, 4986)]