19801264

素因数分解:

$2^4\times 7^1\times {\mathrm{176797}}^1$

素因数の和:176812

約数の個数: 20

約数和(自身を含む): 43845904

約数和(自身を除く): 24044640

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 56, 112, 176797, 353594, 707188, 1237579, 1414376, 2475158, 2828752, 4950316, 9900632, 19801264]

約数ペア:

[(1, 19801264), (2, 9900632), (4, 4950316), (7, 2828752), (8, 2475158), (14, 1414376), (16, 1237579), (28, 707188), (56, 353594), (112, 176797)]