19900432

素因数分解:

$2^4\times {\mathrm{613}}^1\times {\mathrm{2029}}^1$

素因数の和:2650

約数の個数: 20

約数和(自身を含む): 38639020

約数和(自身を除く): 18738588

約数列:

[1, 2, 4, 8, 16, 613, 1226, 2029, 2452, 4058, 4904, 8116, 9808, 16232, 32464, 1243777, 2487554, 4975108, 9950216, 19900432]

約数ペア:

[(1, 19900432), (2, 9950216), (4, 4975108), (8, 2487554), (16, 1243777), (613, 32464), (1226, 16232), (2029, 9808), (2452, 8116), (4058, 4904)]