1808990

素因数分解:

$2^1\times 5^1\times {\mathrm{19}}^1\times {\mathrm{9521}}^1$

素因数の和:9547

約数の個数: 16

約数和(自身を含む): 3427920

約数和(自身を除く): 1618930

約数列:

[1, 2, 5, 10, 19, 38, 95, 190, 9521, 19042, 47605, 95210, 180899, 361798, 904495, 1808990]

約数ペア:

[(1, 1808990), (2, 904495), (5, 361798), (10, 180899), (19, 95210), (38, 47605), (95, 19042), (190, 9521)]