19309786

素因数分解:

$2^1\times {\mathrm{101}}^1\times {\mathrm{109}}^1\times {\mathrm{877}}^1$

素因数の和:1089

約数の個数: 16

約数和(自身を含む): 29553480

約数和(自身を除く): 10243694

約数列:

[1, 2, 101, 109, 202, 218, 877, 1754, 11009, 22018, 88577, 95593, 177154, 191186, 9654893, 19309786]

約数ペア:

[(1, 19309786), (2, 9654893), (101, 191186), (109, 177154), (202, 95593), (218, 88577), (877, 22018), (1754, 11009)]