18672568

素因数分解:

$2^3\times {\mathrm{37}}^1\times {\mathrm{199}}^1\times {\mathrm{317}}^1$

素因数の和:559

約数の個数: 32

約数和(自身を含む): 36252000

約数和(自身を除く): 17579432

約数列:

[1, 2, 4, 8, 37, 74, 148, 199, 296, 317, 398, 634, 796, 1268, 1592, 2536, 7363, 11729, 14726, 23458, 29452, 46916, 58904, 63083, 93832, 126166, 252332, 504664, 2334071, 4668142, 9336284, 18672568]

約数ペア:

[(1, 18672568), (2, 9336284), (4, 4668142), (8, 2334071), (37, 504664), (74, 252332), (148, 126166), (199, 93832), (296, 63083), (317, 58904), (398, 46916), (634, 29452), (796, 23458), (1268, 14726), (1592, 11729), (2536, 7363)]