19053680

素因数分解:

$2^4\times 5^1\times {\mathrm{238171}}^1$

素因数の和:238184

約数の個数: 20

約数和(自身を含む): 44299992

約数和(自身を除く): 25246312

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 238171, 476342, 952684, 1190855, 1905368, 2381710, 3810736, 4763420, 9526840, 19053680]

約数ペア:

[(1, 19053680), (2, 9526840), (4, 4763420), (5, 3810736), (8, 2381710), (10, 1905368), (16, 1190855), (20, 952684), (40, 476342), (80, 238171)]