19963408

素因数分解:

$2^4\times {\mathrm{151}}^1\times {\mathrm{8263}}^1$

素因数の和:8422

約数の個数: 20

約数和(自身を含む): 38939968

約数和(自身を除く): 18976560

約数列:

[1, 2, 4, 8, 16, 151, 302, 604, 1208, 2416, 8263, 16526, 33052, 66104, 132208, 1247713, 2495426, 4990852, 9981704, 19963408]

約数ペア:

[(1, 19963408), (2, 9981704), (4, 4990852), (8, 2495426), (16, 1247713), (151, 132208), (302, 66104), (604, 33052), (1208, 16526), (2416, 8263)]