18868056

素因数分解:

$2^3\times 3^1\times {\mathrm{43}}^1\times {\mathrm{47}}^1\times {\mathrm{389}}^1$

素因数の和:488

約数の個数: 64

約数和(自身を含む): 49420800

約数和(自身を除く): 30552744

約数列:

[1, 2, 3, 4, 6, 8, 12, 24, 43, 47, 86, 94, 129, 141, 172, 188, 258, 282, 344, 376, 389, 516, 564, 778, 1032, 1128, 1167, 1556, 2021, 2334, 3112, 4042, 4668, 6063, 8084, 9336, 12126, 16168, 16727, 18283, 24252, 33454, 36566, 48504, 50181, 54849, 66908, 73132, 100362, 109698, 133816, 146264, 200724, 219396, 401448, 438792, 786169, 1572338, 2358507, 3144676, 4717014, 6289352, 9434028, 18868056]

約数ペア:

[(1, 18868056), (2, 9434028), (3, 6289352), (4, 4717014), (6, 3144676), (8, 2358507), (12, 1572338), (24, 786169), (43, 438792), (47, 401448), (86, 219396), (94, 200724), (129, 146264), (141, 133816), (172, 109698), (188, 100362), (258, 73132), (282, 66908), (344, 54849), (376, 50181), (389, 48504), (516, 36566), (564, 33454), (778, 24252), (1032, 18283), (1128, 16727), (1167, 16168), (1556, 12126), (2021, 9336), (2334, 8084), (3112, 6063), (4042, 4668)]