18211325

素因数分解:

$5^2\times {\mathrm{11}}^1\times {\mathrm{47}}^1\times {\mathrm{1409}}^1$

素因数の和:1477

約数の個数: 24

約数和(自身を含む): 25176960

約数和(自身を除く): 6965635

約数列:

[1, 5, 11, 25, 47, 55, 235, 275, 517, 1175, 1409, 2585, 7045, 12925, 15499, 35225, 66223, 77495, 331115, 387475, 728453, 1655575, 3642265, 18211325]

約数ペア:

[(1, 18211325), (5, 3642265), (11, 1655575), (25, 728453), (47, 387475), (55, 331115), (235, 77495), (275, 66223), (517, 35225), (1175, 15499), (1409, 12925), (2585, 7045)]