19712060

素因数分解:

$2^2\times 5^1\times {\mathrm{43}}^1\times {\mathrm{22921}}^1$

素因数の和:22973

約数の個数: 24

約数和(自身を含む): 42359856

約数和(自身を除く): 22647796

約数列:

[1, 2, 4, 5, 10, 20, 43, 86, 172, 215, 430, 860, 22921, 45842, 91684, 114605, 229210, 458420, 985603, 1971206, 3942412, 4928015, 9856030, 19712060]

約数ペア:

[(1, 19712060), (2, 9856030), (4, 4928015), (5, 3942412), (10, 1971206), (20, 985603), (43, 458420), (86, 229210), (172, 114605), (215, 91684), (430, 45842), (860, 22921)]