19601690

素因数分解:

$2^1\times 5^1\times {\mathrm{41}}^1\times {\mathrm{47809}}^1$

素因数の和:47857

約数の個数: 16

約数和(自身を含む): 36144360

約数和(自身を除く): 16542670

約数列:

[1, 2, 5, 10, 41, 82, 205, 410, 47809, 95618, 239045, 478090, 1960169, 3920338, 9800845, 19601690]

約数ペア:

[(1, 19601690), (2, 9800845), (5, 3920338), (10, 1960169), (41, 478090), (82, 239045), (205, 95618), (410, 47809)]