19571372

素因数分解:

$2^2\times {\mathrm{37}}^1\times {\mathrm{223}}^1\times {\mathrm{593}}^1$

素因数の和:857

約数の個数: 24

約数和(自身を含む): 35392896

約数和(自身を除く): 15821524

約数列:

[1, 2, 4, 37, 74, 148, 223, 446, 593, 892, 1186, 2372, 8251, 16502, 21941, 33004, 43882, 87764, 132239, 264478, 528956, 4892843, 9785686, 19571372]

約数ペア:

[(1, 19571372), (2, 9785686), (4, 4892843), (37, 528956), (74, 264478), (148, 132239), (223, 87764), (446, 43882), (593, 33004), (892, 21941), (1186, 16502), (2372, 8251)]