18766060

素因数分解:

$2^2\times 5^1\times {\mathrm{43}}^1\times {\mathrm{21821}}^1$

素因数の和:21873

約数の個数: 24

約数和(自身を含む): 40327056

約数和(自身を除く): 21560996

約数列:

[1, 2, 4, 5, 10, 20, 43, 86, 172, 215, 430, 860, 21821, 43642, 87284, 109105, 218210, 436420, 938303, 1876606, 3753212, 4691515, 9383030, 18766060]

約数ペア:

[(1, 18766060), (2, 9383030), (4, 4691515), (5, 3753212), (10, 1876606), (20, 938303), (43, 436420), (86, 218210), (172, 109105), (215, 87284), (430, 43642), (860, 21821)]