18440075

素因数分解:

$5^2\times {\mathrm{67}}^1\times {\mathrm{101}}^1\times {\mathrm{109}}^1$

素因数の和:287

約数の個数: 24

約数和(自身を含む): 23651760

約数和(自身を除く): 5211685

約数列:

[1, 5, 25, 67, 101, 109, 335, 505, 545, 1675, 2525, 2725, 6767, 7303, 11009, 33835, 36515, 55045, 169175, 182575, 275225, 737603, 3688015, 18440075]

約数ペア:

[(1, 18440075), (5, 3688015), (25, 737603), (67, 275225), (101, 182575), (109, 169175), (335, 55045), (505, 36515), (545, 33835), (1675, 11009), (2525, 7303), (2725, 6767)]