17921794

素因数分解:

$2^1\times {\mathrm{11}}^2\times {\mathrm{103}}^1\times {\mathrm{719}}^1$

素因数の和:846

約数の個数: 24

約数和(自身を含む): 29877120

約数和(自身を除く): 11955326

約数列:

[1, 2, 11, 22, 103, 121, 206, 242, 719, 1133, 1438, 2266, 7909, 12463, 15818, 24926, 74057, 86999, 148114, 173998, 814627, 1629254, 8960897, 17921794]

約数ペア:

[(1, 17921794), (2, 8960897), (11, 1629254), (22, 814627), (103, 173998), (121, 148114), (206, 86999), (242, 74057), (719, 24926), (1133, 15818), (1438, 12463), (2266, 7909)]