19365890

素因数分解:

$2^1\times 5^1\times {\mathrm{17}}^2\times {\mathrm{6701}}^1$

素因数の和:6742

約数の個数: 24

約数和(自身を含む): 37035252

約数和(自身を除く): 17669362

約数列:

[1, 2, 5, 10, 17, 34, 85, 170, 289, 578, 1445, 2890, 6701, 13402, 33505, 67010, 113917, 227834, 569585, 1139170, 1936589, 3873178, 9682945, 19365890]

約数ペア:

[(1, 19365890), (2, 9682945), (5, 3873178), (10, 1936589), (17, 1139170), (34, 569585), (85, 227834), (170, 113917), (289, 67010), (578, 33505), (1445, 13402), (2890, 6701)]