17988656

素因数分解:

$2^4\times 7^1\times {\mathrm{61}}^1\times {\mathrm{2633}}^1$

素因数の和:2709

約数の個数: 40

約数和(自身を含む): 40500384

約数和(自身を除く): 22511728

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 56, 61, 112, 122, 244, 427, 488, 854, 976, 1708, 2633, 3416, 5266, 6832, 10532, 18431, 21064, 36862, 42128, 73724, 147448, 160613, 294896, 321226, 642452, 1124291, 1284904, 2248582, 2569808, 4497164, 8994328, 17988656]

約数ペア:

[(1, 17988656), (2, 8994328), (4, 4497164), (7, 2569808), (8, 2248582), (14, 1284904), (16, 1124291), (28, 642452), (56, 321226), (61, 294896), (112, 160613), (122, 147448), (244, 73724), (427, 42128), (488, 36862), (854, 21064), (976, 18431), (1708, 10532), (2633, 6832), (3416, 5266)]