19447180

素因数分解:

$2^2\times 5^1\times {\mathrm{43}}^1\times {\mathrm{22613}}^1$

素因数の和:22665

約数の個数: 24

約数和(自身を含む): 41790672

約数和(自身を除く): 22343492

約数列:

[1, 2, 4, 5, 10, 20, 43, 86, 172, 215, 430, 860, 22613, 45226, 90452, 113065, 226130, 452260, 972359, 1944718, 3889436, 4861795, 9723590, 19447180]

約数ペア:

[(1, 19447180), (2, 9723590), (4, 4861795), (5, 3889436), (10, 1944718), (20, 972359), (43, 452260), (86, 226130), (172, 113065), (215, 90452), (430, 45226), (860, 22613)]