18524180

素因数分解:

$2^2\times 5^1\times {\mathrm{389}}^1\times {\mathrm{2381}}^1$

素因数の和:2779

約数の個数: 24

約数和(自身を含む): 39017160

約数和(自身を除く): 20492980

約数列:

[1, 2, 4, 5, 10, 20, 389, 778, 1556, 1945, 2381, 3890, 4762, 7780, 9524, 11905, 23810, 47620, 926209, 1852418, 3704836, 4631045, 9262090, 18524180]

約数ペア:

[(1, 18524180), (2, 9262090), (4, 4631045), (5, 3704836), (10, 1852418), (20, 926209), (389, 47620), (778, 23810), (1556, 11905), (1945, 9524), (2381, 7780), (3890, 4762)]