18118936

素因数分解:

$2^3\times {\mathrm{11}}^1\times {\mathrm{103}}^1\times {\mathrm{1999}}^1$

素因数の和:2119

約数の個数: 32

約数和(自身を含む): 37440000

約数和(自身を除く): 19321064

約数列:

[1, 2, 4, 8, 11, 22, 44, 88, 103, 206, 412, 824, 1133, 1999, 2266, 3998, 4532, 7996, 9064, 15992, 21989, 43978, 87956, 175912, 205897, 411794, 823588, 1647176, 2264867, 4529734, 9059468, 18118936]

約数ペア:

[(1, 18118936), (2, 9059468), (4, 4529734), (8, 2264867), (11, 1647176), (22, 823588), (44, 411794), (88, 205897), (103, 175912), (206, 87956), (412, 43978), (824, 21989), (1133, 15992), (1999, 9064), (2266, 7996), (3998, 4532)]