18210002489

素因数分解:

$7^1\times {\mathrm{17}}^1\times {\mathrm{157}}^1\times {\mathrm{433}}^1\times {\mathrm{2251}}^1$

素因数の和:2865

約数の個数: 32

約数和(自身を含む): 22237076736

約数和(自身を除く): 4027074247

約数列:

[1, 7, 17, 119, 157, 433, 1099, 2251, 2669, 3031, 7361, 15757, 18683, 38267, 51527, 67981, 267869, 353407, 475867, 974683, 1155677, 2473849, 6007919, 6822781, 8089739, 16569611, 42055433, 115987277, 153025231, 1071176617, 2601428927, 18210002489]

約数ペア:

[(1, 18210002489), (7, 2601428927), (17, 1071176617), (119, 153025231), (157, 115987277), (433, 42055433), (1099, 16569611), (2251, 8089739), (2669, 6822781), (3031, 6007919), (7361, 2473849), (15757, 1155677), (18683, 974683), (38267, 475867), (51527, 353407), (67981, 267869)]