18868486

素因数分解:

$2^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{43}}^1\times {\mathrm{2411}}^1$

素因数の和:2476

約数の個数: 32

約数和(自身を含む): 35659008

約数和(自身を除く): 16790522

約数列:

[1, 2, 7, 13, 14, 26, 43, 86, 91, 182, 301, 559, 602, 1118, 2411, 3913, 4822, 7826, 16877, 31343, 33754, 62686, 103673, 207346, 219401, 438802, 725711, 1347749, 1451422, 2695498, 9434243, 18868486]

約数ペア:

[(1, 18868486), (2, 9434243), (7, 2695498), (13, 1451422), (14, 1347749), (26, 725711), (43, 438802), (86, 219401), (91, 207346), (182, 103673), (301, 62686), (559, 33754), (602, 31343), (1118, 16877), (2411, 7826), (3913, 4822)]