19685228

素因数分解:

$2^2\times {\mathrm{43}}^1\times {\mathrm{193}}^1\times {\mathrm{593}}^1$

素因数の和:833

約数の個数: 24

約数和(自身を含む): 35492688

約数和(自身を除く): 15807460

約数列:

[1, 2, 4, 43, 86, 172, 193, 386, 593, 772, 1186, 2372, 8299, 16598, 25499, 33196, 50998, 101996, 114449, 228898, 457796, 4921307, 9842614, 19685228]

約数ペア:

[(1, 19685228), (2, 9842614), (4, 4921307), (43, 457796), (86, 228898), (172, 114449), (193, 101996), (386, 50998), (593, 33196), (772, 25499), (1186, 16598), (2372, 8299)]