19719062

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{251}}^1\times {\mathrm{3571}}^1$

素因数の和:3835

約数の個数: 16

約数和(自身を含む): 32405184

約数和(自身を除く): 12686122

約数列:

[1, 2, 11, 22, 251, 502, 2761, 3571, 5522, 7142, 39281, 78562, 896321, 1792642, 9859531, 19719062]

約数ペア:

[(1, 19719062), (2, 9859531), (11, 1792642), (22, 896321), (251, 78562), (502, 39281), (2761, 7142), (3571, 5522)]