19804187

素因数分解:

${\mathrm{13}}^1\times {\mathrm{29}}^1\times {\mathrm{131}}^1\times {\mathrm{401}}^1$

素因数の和:574

約数の個数: 16

約数和(自身を含む): 22286880

約数和(自身を除く): 2482693

約数列:

[1, 13, 29, 131, 377, 401, 1703, 3799, 5213, 11629, 49387, 52531, 151177, 682903, 1523399, 19804187]

約数ペア:

[(1, 19804187), (13, 1523399), (29, 682903), (131, 151177), (377, 52531), (401, 49387), (1703, 11629), (3799, 5213)]