2019919447

素因数分解:

$7^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{1305701}}^1$

素因数の和:1305738

約数の個数: 16

約数和(自身を含む): 2632295232

約数和(自身を除く): 612375785

約数列:

[1, 7, 13, 17, 91, 119, 221, 1547, 1305701, 9139907, 16974113, 22196917, 118818791, 155378419, 288559921, 2019919447]

約数ペア:

[(1, 2019919447), (7, 288559921), (13, 155378419), (17, 118818791), (91, 22196917), (119, 16974113), (221, 9139907), (1547, 1305701)]