19992170

素因数分解:

$2^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{10691}}^1$

素因数の和:10726

約数の個数: 32

約数和(自身を含む): 41570496

約数和(自身を除く): 21578326

約数列:

[1, 2, 5, 10, 11, 17, 22, 34, 55, 85, 110, 170, 187, 374, 935, 1870, 10691, 21382, 53455, 106910, 117601, 181747, 235202, 363494, 588005, 908735, 1176010, 1817470, 1999217, 3998434, 9996085, 19992170]

約数ペア:

[(1, 19992170), (2, 9996085), (5, 3998434), (10, 1999217), (11, 1817470), (17, 1176010), (22, 908735), (34, 588005), (55, 363494), (85, 235202), (110, 181747), (170, 117601), (187, 106910), (374, 53455), (935, 21382), (1870, 10691)]