13980010

素因数分解:

$2^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{6689}}^1$

素因数の和:6726

約数の個数: 32

約数和(自身を含む): 28900800

約数和(自身を除く): 14920790

約数列:

[1, 2, 5, 10, 11, 19, 22, 38, 55, 95, 110, 190, 209, 418, 1045, 2090, 6689, 13378, 33445, 66890, 73579, 127091, 147158, 254182, 367895, 635455, 735790, 1270910, 1398001, 2796002, 6990005, 13980010]

約数ペア:

[(1, 13980010), (2, 6990005), (5, 2796002), (10, 1398001), (11, 1270910), (19, 735790), (22, 635455), (38, 367895), (55, 254182), (95, 147158), (110, 127091), (190, 73579), (209, 66890), (418, 33445), (1045, 13378), (2090, 6689)]