19992578

素因数分解:

$2^1\times {\mathrm{17}}^1\times {\mathrm{47}}^1\times {\mathrm{12511}}^1$

素因数の和:12577

約数の個数: 16

約数和(自身を含む): 32431104

約数和(自身を除く): 12438526

約数列:

[1, 2, 17, 34, 47, 94, 799, 1598, 12511, 25022, 212687, 425374, 588017, 1176034, 9996289, 19992578]

約数ペア:

[(1, 19992578), (2, 9996289), (17, 1176034), (34, 588017), (47, 425374), (94, 212687), (799, 25022), (1598, 12511)]