18397206

素因数分解:

$2^1\times 3^4\times {\mathrm{19}}^1\times {\mathrm{43}}^1\times {\mathrm{139}}^1$

素因数の和:215

約数の個数: 80

約数和(自身を含む): 44721600

約数和(自身を除く): 26324394

約数列:

[1, 2, 3, 6, 9, 18, 19, 27, 38, 43, 54, 57, 81, 86, 114, 129, 139, 162, 171, 258, 278, 342, 387, 417, 513, 774, 817, 834, 1026, 1161, 1251, 1539, 1634, 2322, 2451, 2502, 2641, 3078, 3483, 3753, 4902, 5282, 5977, 6966, 7353, 7506, 7923, 11259, 11954, 14706, 15846, 17931, 22059, 22518, 23769, 35862, 44118, 47538, 53793, 66177, 71307, 107586, 113563, 132354, 142614, 161379, 213921, 227126, 322758, 340689, 427842, 484137, 681378, 968274, 1022067, 2044134, 3066201, 6132402, 9198603, 18397206]

約数ペア:

[(1, 18397206), (2, 9198603), (3, 6132402), (6, 3066201), (9, 2044134), (18, 1022067), (19, 968274), (27, 681378), (38, 484137), (43, 427842), (54, 340689), (57, 322758), (81, 227126), (86, 213921), (114, 161379), (129, 142614), (139, 132354), (162, 113563), (171, 107586), (258, 71307), (278, 66177), (342, 53793), (387, 47538), (417, 44118), (513, 35862), (774, 23769), (817, 22518), (834, 22059), (1026, 17931), (1161, 15846), (1251, 14706), (1539, 11954), (1634, 11259), (2322, 7923), (2451, 7506), (2502, 7353), (2641, 6966), (3078, 5977), (3483, 5282), (3753, 4902)]