19849820

素因数分解:

$2^2\times 5^1\times {\mathrm{277}}^1\times {\mathrm{3583}}^1$

素因数の和:3869

約数の個数: 24

約数和(自身を含む): 41846784

約数和(自身を除く): 21996964

約数列:

[1, 2, 4, 5, 10, 20, 277, 554, 1108, 1385, 2770, 3583, 5540, 7166, 14332, 17915, 35830, 71660, 992491, 1984982, 3969964, 4962455, 9924910, 19849820]

約数ペア:

[(1, 19849820), (2, 9924910), (4, 4962455), (5, 3969964), (10, 1984982), (20, 992491), (277, 71660), (554, 35830), (1108, 17915), (1385, 14332), (2770, 7166), (3583, 5540)]