15868990

素因数分解:

$2^1\times 5^1\times {\mathrm{17}}^4\times {\mathrm{19}}^1$

素因数の和:94

約数の個数: 40

約数和(自身を含む): 31946760

約数和(自身を除く): 16077770

約数列:

[1, 2, 5, 10, 17, 19, 34, 38, 85, 95, 170, 190, 289, 323, 578, 646, 1445, 1615, 2890, 3230, 4913, 5491, 9826, 10982, 24565, 27455, 49130, 54910, 83521, 93347, 167042, 186694, 417605, 466735, 835210, 933470, 1586899, 3173798, 7934495, 15868990]

約数ペア:

[(1, 15868990), (2, 7934495), (5, 3173798), (10, 1586899), (17, 933470), (19, 835210), (34, 466735), (38, 417605), (85, 186694), (95, 167042), (170, 93347), (190, 83521), (289, 54910), (323, 49130), (578, 27455), (646, 24565), (1445, 10982), (1615, 9826), (2890, 5491), (3230, 4913)]