19912857549

素因数分解:

$3^1\times {\mathrm{13}}^1\times {\mathrm{1061}}^1\times {\mathrm{481231}}^1$

素因数の和:482308

約数の個数: 16

約数和(自身を含む): 28619829504

約数和(自身を除く): 8706971955

約数列:

[1, 3, 13, 39, 1061, 3183, 13793, 41379, 481231, 1443693, 6256003, 18768009, 510586091, 1531758273, 6637619183, 19912857549]

約数ペア:

[(1, 19912857549), (3, 6637619183), (13, 1531758273), (39, 510586091), (1061, 18768009), (3183, 6256003), (13793, 1443693), (41379, 481231)]