19749454

素因数分解:

$2^1\times {\mathrm{41}}^1\times {\mathrm{227}}^1\times {\mathrm{1061}}^1$

素因数の和:1331

約数の個数: 16

約数和(自身を含む): 30509136

約数和(自身を除く): 10759682

約数列:

[1, 2, 41, 82, 227, 454, 1061, 2122, 9307, 18614, 43501, 87002, 240847, 481694, 9874727, 19749454]

約数ペア:

[(1, 19749454), (2, 9874727), (41, 481694), (82, 240847), (227, 87002), (454, 43501), (1061, 18614), (2122, 9307)]