18704408

素因数分解:

$2^3\times {\mathrm{31}}^1\times {\mathrm{199}}^1\times {\mathrm{379}}^1$

素因数の和:615

約数の個数: 32

約数和(自身を含む): 36480000

約数和(自身を除く): 17775592

約数列:

[1, 2, 4, 8, 31, 62, 124, 199, 248, 379, 398, 758, 796, 1516, 1592, 3032, 6169, 11749, 12338, 23498, 24676, 46996, 49352, 75421, 93992, 150842, 301684, 603368, 2338051, 4676102, 9352204, 18704408]

約数ペア:

[(1, 18704408), (2, 9352204), (4, 4676102), (8, 2338051), (31, 603368), (62, 301684), (124, 150842), (199, 93992), (248, 75421), (379, 49352), (398, 46996), (758, 24676), (796, 23498), (1516, 12338), (1592, 11749), (3032, 6169)]