18370976

素因数分解:

$2^5\times {\mathrm{13}}^2\times {\mathrm{43}}^1\times {\mathrm{79}}^1$

素因数の和:158

約数の個数: 72

約数和(自身を含む): 40582080

約数和(自身を除く): 22211104

約数列:

[1, 2, 4, 8, 13, 16, 26, 32, 43, 52, 79, 86, 104, 158, 169, 172, 208, 316, 338, 344, 416, 559, 632, 676, 688, 1027, 1118, 1264, 1352, 1376, 2054, 2236, 2528, 2704, 3397, 4108, 4472, 5408, 6794, 7267, 8216, 8944, 13351, 13588, 14534, 16432, 17888, 26702, 27176, 29068, 32864, 44161, 53404, 54352, 58136, 88322, 106808, 108704, 116272, 176644, 213616, 232544, 353288, 427232, 574093, 706576, 1148186, 1413152, 2296372, 4592744, 9185488, 18370976]

約数ペア:

[(1, 18370976), (2, 9185488), (4, 4592744), (8, 2296372), (13, 1413152), (16, 1148186), (26, 706576), (32, 574093), (43, 427232), (52, 353288), (79, 232544), (86, 213616), (104, 176644), (158, 116272), (169, 108704), (172, 106808), (208, 88322), (316, 58136), (338, 54352), (344, 53404), (416, 44161), (559, 32864), (632, 29068), (676, 27176), (688, 26702), (1027, 17888), (1118, 16432), (1264, 14534), (1352, 13588), (1376, 13351), (2054, 8944), (2236, 8216), (2528, 7267), (2704, 6794), (3397, 5408), (4108, 4472)]