19846460

素因数分解:

$2^2\times 5^1\times {\mathrm{41}}^1\times {\mathrm{24203}}^1$

素因数の和:24253

約数の個数: 24

約数和(自身を含む): 42695856

約数和(自身を除く): 22849396

約数列:

[1, 2, 4, 5, 10, 20, 41, 82, 164, 205, 410, 820, 24203, 48406, 96812, 121015, 242030, 484060, 992323, 1984646, 3969292, 4961615, 9923230, 19846460]

約数ペア:

[(1, 19846460), (2, 9923230), (4, 4961615), (5, 3969292), (10, 1984646), (20, 992323), (41, 484060), (82, 242030), (164, 121015), (205, 96812), (410, 48406), (820, 24203)]