19939792

素因数分解:

$2^4\times {\mathrm{1019}}^1\times {\mathrm{1223}}^1$

素因数の和:2250

約数の個数: 20

約数和(自身を含む): 38702880

約数和(自身を除く): 18763088

約数列:

[1, 2, 4, 8, 16, 1019, 1223, 2038, 2446, 4076, 4892, 8152, 9784, 16304, 19568, 1246237, 2492474, 4984948, 9969896, 19939792]

約数ペア:

[(1, 19939792), (2, 9969896), (4, 4984948), (8, 2492474), (16, 1246237), (1019, 19568), (1223, 16304), (2038, 9784), (2446, 8152), (4076, 4892)]