18497875

素因数分解:

$5^3\times {\mathrm{11}}^2\times {\mathrm{1223}}^1$

素因数の和:1260

約数の個数: 24

約数和(自身を含む): 25395552

約数和(自身を除く): 6897677

約数列:

[1, 5, 11, 25, 55, 121, 125, 275, 605, 1223, 1375, 3025, 6115, 13453, 15125, 30575, 67265, 147983, 152875, 336325, 739915, 1681625, 3699575, 18497875]

約数ペア:

[(1, 18497875), (5, 3699575), (11, 1681625), (25, 739915), (55, 336325), (121, 152875), (125, 147983), (275, 67265), (605, 30575), (1223, 15125), (1375, 13453), (3025, 6115)]