18108818

素因数分解:

$2^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{29}}^1\times {\mathrm{47}}^1\times {\mathrm{73}}^1$

素因数の和:171

約数の個数: 64

約数和(自身を含む): 35804160

約数和(自身を除く): 17695342

約数列:

[1, 2, 7, 13, 14, 26, 29, 47, 58, 73, 91, 94, 146, 182, 203, 329, 377, 406, 511, 611, 658, 754, 949, 1022, 1222, 1363, 1898, 2117, 2639, 2726, 3431, 4234, 4277, 5278, 6643, 6862, 8554, 9541, 13286, 14819, 17719, 19082, 24017, 27521, 29638, 35438, 44603, 48034, 55042, 89206, 99499, 124033, 192647, 198998, 248066, 312221, 385294, 624442, 696493, 1293487, 1392986, 2586974, 9054409, 18108818]

約数ペア:

[(1, 18108818), (2, 9054409), (7, 2586974), (13, 1392986), (14, 1293487), (26, 696493), (29, 624442), (47, 385294), (58, 312221), (73, 248066), (91, 198998), (94, 192647), (146, 124033), (182, 99499), (203, 89206), (329, 55042), (377, 48034), (406, 44603), (511, 35438), (611, 29638), (658, 27521), (754, 24017), (949, 19082), (1022, 17719), (1222, 14819), (1363, 13286), (1898, 9541), (2117, 8554), (2639, 6862), (2726, 6643), (3431, 5278), (4234, 4277)]