19654870

素因数分解:

$2^1\times 5^1\times {\mathrm{43}}^2\times {\mathrm{1063}}^1$

素因数の和:1156

約数の個数: 24

約数和(自身を含む): 36254736

約数和(自身を除く): 16599866

約数列:

[1, 2, 5, 10, 43, 86, 215, 430, 1063, 1849, 2126, 3698, 5315, 9245, 10630, 18490, 45709, 91418, 228545, 457090, 1965487, 3930974, 9827435, 19654870]

約数ペア:

[(1, 19654870), (2, 9827435), (5, 3930974), (10, 1965487), (43, 457090), (86, 228545), (215, 91418), (430, 45709), (1063, 18490), (1849, 10630), (2126, 9245), (3698, 5315)]