19881690519

素因数分解:

$3^1\times {\mathrm{17}}^1\times {\mathrm{37}}^1\times {\mathrm{10536137}}^1$

素因数の和:10536194

約数の個数: 16

約数和(自身を含む): 28826873568

約数和(自身を除く): 8945183049

約数列:

[1, 3, 17, 37, 51, 111, 629, 1887, 10536137, 31608411, 179114329, 389837069, 537342987, 1169511207, 6627230173, 19881690519]

約数ペア:

[(1, 19881690519), (3, 6627230173), (17, 1169511207), (37, 537342987), (51, 389837069), (111, 179114329), (629, 31608411), (1887, 10536137)]