18791180

素因数分解:

$2^2\times 5^1\times {\mathrm{631}}^1\times {\mathrm{1489}}^1$

素因数の和:2129

約数の個数: 24

約数和(自身を含む): 39550560

約数和(自身を除く): 20759380

約数列:

[1, 2, 4, 5, 10, 20, 631, 1262, 1489, 2524, 2978, 3155, 5956, 6310, 7445, 12620, 14890, 29780, 939559, 1879118, 3758236, 4697795, 9395590, 18791180]

約数ペア:

[(1, 18791180), (2, 9395590), (4, 4697795), (5, 3758236), (10, 1879118), (20, 939559), (631, 29780), (1262, 14890), (1489, 12620), (2524, 7445), (2978, 6310), (3155, 5956)]