19072840

素因数分解:

$2^3\times 5^1\times {\mathrm{101}}^1\times {\mathrm{4721}}^1$

素因数の和:4833

約数の個数: 32

約数和(自身を含む): 43347960

約数和(自身を除く): 24275120

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 101, 202, 404, 505, 808, 1010, 2020, 4040, 4721, 9442, 18884, 23605, 37768, 47210, 94420, 188840, 476821, 953642, 1907284, 2384105, 3814568, 4768210, 9536420, 19072840]

約数ペア:

[(1, 19072840), (2, 9536420), (4, 4768210), (5, 3814568), (8, 2384105), (10, 1907284), (20, 953642), (40, 476821), (101, 188840), (202, 94420), (404, 47210), (505, 37768), (808, 23605), (1010, 18884), (2020, 9442), (4040, 4721)]