18205544

素因数分解:

$2^3\times 7^1\times {\mathrm{47}}^1\times {\mathrm{6917}}^1$

素因数の和:6977

約数の個数: 32

約数和(自身を含む): 39847680

約数和(自身を除く): 21642136

約数列:

[1, 2, 4, 7, 8, 14, 28, 47, 56, 94, 188, 329, 376, 658, 1316, 2632, 6917, 13834, 27668, 48419, 55336, 96838, 193676, 325099, 387352, 650198, 1300396, 2275693, 2600792, 4551386, 9102772, 18205544]

約数ペア:

[(1, 18205544), (2, 9102772), (4, 4551386), (7, 2600792), (8, 2275693), (14, 1300396), (28, 650198), (47, 387352), (56, 325099), (94, 193676), (188, 96838), (329, 55336), (376, 48419), (658, 27668), (1316, 13834), (2632, 6917)]