19995568

素因数分解:

$2^4\times {\mathrm{587}}^1\times {\mathrm{2129}}^1$

素因数の和:2724

約数の個数: 20

約数和(自身を含む): 38825640

約数和(自身を除く): 18830072

約数列:

[1, 2, 4, 8, 16, 587, 1174, 2129, 2348, 4258, 4696, 8516, 9392, 17032, 34064, 1249723, 2499446, 4998892, 9997784, 19995568]

約数ペア:

[(1, 19995568), (2, 9997784), (4, 4998892), (8, 2499446), (16, 1249723), (587, 34064), (1174, 17032), (2129, 9392), (2348, 8516), (4258, 4696)]