18577806

素因数分解:

$2^1\times 3^1\times {\mathrm{13}}^1\times {\mathrm{29}}^1\times {\mathrm{43}}^1\times {\mathrm{191}}^1$

素因数の和:281

約数の個数: 64

約数和(自身を含む): 42577920

約数和(自身を除く): 24000114

約数列:

[1, 2, 3, 6, 13, 26, 29, 39, 43, 58, 78, 86, 87, 129, 174, 191, 258, 377, 382, 559, 573, 754, 1118, 1131, 1146, 1247, 1677, 2262, 2483, 2494, 3354, 3741, 4966, 5539, 7449, 7482, 8213, 11078, 14898, 16211, 16426, 16617, 24639, 32422, 33234, 48633, 49278, 72007, 97266, 106769, 144014, 213538, 216021, 238177, 320307, 432042, 476354, 640614, 714531, 1429062, 3096301, 6192602, 9288903, 18577806]

約数ペア:

[(1, 18577806), (2, 9288903), (3, 6192602), (6, 3096301), (13, 1429062), (26, 714531), (29, 640614), (39, 476354), (43, 432042), (58, 320307), (78, 238177), (86, 216021), (87, 213538), (129, 144014), (174, 106769), (191, 97266), (258, 72007), (377, 49278), (382, 48633), (559, 33234), (573, 32422), (754, 24639), (1118, 16617), (1131, 16426), (1146, 16211), (1247, 14898), (1677, 11078), (2262, 8213), (2483, 7482), (2494, 7449), (3354, 5539), (3741, 4966)]