19734476

素因数分解:

$2^2\times {\mathrm{31}}^1\times {\mathrm{61}}^1\times {\mathrm{2609}}^1$

素因数の和:2705

約数の個数: 24

約数和(自身を含む): 36247680

約数和(自身を除く): 16513204

約数列:

[1, 2, 4, 31, 61, 62, 122, 124, 244, 1891, 2609, 3782, 5218, 7564, 10436, 80879, 159149, 161758, 318298, 323516, 636596, 4933619, 9867238, 19734476]

約数ペア:

[(1, 19734476), (2, 9867238), (4, 4933619), (31, 636596), (61, 323516), (62, 318298), (122, 161758), (124, 159149), (244, 80879), (1891, 10436), (2609, 7564), (3782, 5218)]