18980503452

素因数分解:

$2^2\times 3^2\times {\mathrm{389}}^1\times {\mathrm{1355363}}^1$

素因数の和:1355762

約数の個数: 36

約数和(自身を含む): 48101868360

約数和(自身を除く): 29121364908

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 36, 389, 778, 1167, 1556, 2334, 3501, 4668, 7002, 14004, 1355363, 2710726, 4066089, 5421452, 8132178, 12198267, 16264356, 24396534, 48793068, 527236207, 1054472414, 1581708621, 2108944828, 3163417242, 4745125863, 6326834484, 9490251726, 18980503452]

約数ペア:

[(1, 18980503452), (2, 9490251726), (3, 6326834484), (4, 4745125863), (6, 3163417242), (9, 2108944828), (12, 1581708621), (18, 1054472414), (36, 527236207), (389, 48793068), (778, 24396534), (1167, 16264356), (1556, 12198267), (2334, 8132178), (3501, 5421452), (4668, 4066089), (7002, 2710726), (14004, 1355363)]