18902125

素因数分解:

$5^3\times {\mathrm{11}}^1\times {\mathrm{59}}^1\times {\mathrm{233}}^1$

素因数の和:318

約数の個数: 32

約数和(自身を含む): 26282880

約数和(自身を除く): 7380755

約数列:

[1, 5, 11, 25, 55, 59, 125, 233, 275, 295, 649, 1165, 1375, 1475, 2563, 3245, 5825, 7375, 12815, 13747, 16225, 29125, 64075, 68735, 81125, 151217, 320375, 343675, 756085, 1718375, 3780425, 18902125]

約数ペア:

[(1, 18902125), (5, 3780425), (11, 1718375), (25, 756085), (55, 343675), (59, 320375), (125, 151217), (233, 81125), (275, 68735), (295, 64075), (649, 29125), (1165, 16225), (1375, 13747), (1475, 12815), (2563, 7375), (3245, 5825)]