18271136

素因数分解:

$2^5\times {\mathrm{13}}^1\times {\mathrm{167}}^1\times {\mathrm{263}}^1$

素因数の和:453

約数の個数: 48

約数和(自身を含む): 39118464

約数和(自身を除く): 20847328

約数列:

[1, 2, 4, 8, 13, 16, 26, 32, 52, 104, 167, 208, 263, 334, 416, 526, 668, 1052, 1336, 2104, 2171, 2672, 3419, 4208, 4342, 5344, 6838, 8416, 8684, 13676, 17368, 27352, 34736, 43921, 54704, 69472, 87842, 109408, 175684, 351368, 570973, 702736, 1141946, 1405472, 2283892, 4567784, 9135568, 18271136]

約数ペア:

[(1, 18271136), (2, 9135568), (4, 4567784), (8, 2283892), (13, 1405472), (16, 1141946), (26, 702736), (32, 570973), (52, 351368), (104, 175684), (167, 109408), (208, 87842), (263, 69472), (334, 54704), (416, 43921), (526, 34736), (668, 27352), (1052, 17368), (1336, 13676), (2104, 8684), (2171, 8416), (2672, 6838), (3419, 5344), (4208, 4342)]