19121320

素因数分解:

$2^3\times 5^1\times {\mathrm{101}}^1\times {\mathrm{4733}}^1$

素因数の和:4845

約数の個数: 32

約数和(自身を含む): 43458120

約数和(自身を除く): 24336800

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 101, 202, 404, 505, 808, 1010, 2020, 4040, 4733, 9466, 18932, 23665, 37864, 47330, 94660, 189320, 478033, 956066, 1912132, 2390165, 3824264, 4780330, 9560660, 19121320]

約数ペア:

[(1, 19121320), (2, 9560660), (4, 4780330), (5, 3824264), (8, 2390165), (10, 1912132), (20, 956066), (40, 478033), (101, 189320), (202, 94660), (404, 47330), (505, 37864), (808, 23665), (1010, 18932), (2020, 9466), (4040, 4733)]