18009145

素因数分解:

$5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{29}}^1\times {\mathrm{1613}}^1$

素因数の和:1665

約数の個数: 32

約数和(自身を含む): 27889920

約数和(自身を除く): 9880775

約数列:

[1, 5, 7, 11, 29, 35, 55, 77, 145, 203, 319, 385, 1015, 1595, 1613, 2233, 8065, 11165, 11291, 17743, 46777, 56455, 88715, 124201, 233885, 327439, 514547, 621005, 1637195, 2572735, 3601829, 18009145]

約数ペア:

[(1, 18009145), (5, 3601829), (7, 2572735), (11, 1637195), (29, 621005), (35, 514547), (55, 327439), (77, 233885), (145, 124201), (203, 88715), (319, 56455), (385, 46777), (1015, 17743), (1595, 11291), (1613, 11165), (2233, 8065)]