19539772

素因数分解:

$2^2\times 7^1\times {\mathrm{89}}^1\times {\mathrm{7841}}^1$

素因数の和:7941

約数の個数: 24

約数和(自身を含む): 39523680

約数和(自身を除く): 19983908

約数列:

[1, 2, 4, 7, 14, 28, 89, 178, 356, 623, 1246, 2492, 7841, 15682, 31364, 54887, 109774, 219548, 697849, 1395698, 2791396, 4884943, 9769886, 19539772]

約数ペア:

[(1, 19539772), (2, 9769886), (4, 4884943), (7, 2791396), (14, 1395698), (28, 697849), (89, 219548), (178, 109774), (356, 54887), (623, 31364), (1246, 15682), (2492, 7841)]