18568862

素因数分解:

$2^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{43}}^1\times {\mathrm{977}}^1$

素因数の和:1052

約数の個数: 32

約数和(自身を含む): 32532192

約数和(自身を除く): 13963330

約数列:

[1, 2, 13, 17, 26, 34, 43, 86, 221, 442, 559, 731, 977, 1118, 1462, 1954, 9503, 12701, 16609, 19006, 25402, 33218, 42011, 84022, 215917, 431834, 546143, 714187, 1092286, 1428374, 9284431, 18568862]

約数ペア:

[(1, 18568862), (2, 9284431), (13, 1428374), (17, 1092286), (26, 714187), (34, 546143), (43, 431834), (86, 215917), (221, 84022), (442, 42011), (559, 33218), (731, 25402), (977, 19006), (1118, 16609), (1462, 12701), (1954, 9503)]