18238675

素因数分解:

$5^2\times 7^1\times {\mathrm{13}}^1\times {\mathrm{8017}}^1$

素因数の和:8047

約数の個数: 24

約数和(自身を含む): 27838496

約数和(自身を除く): 9599821

約数列:

[1, 5, 7, 13, 25, 35, 65, 91, 175, 325, 455, 2275, 8017, 40085, 56119, 104221, 200425, 280595, 521105, 729547, 1402975, 2605525, 3647735, 18238675]

約数ペア:

[(1, 18238675), (5, 3647735), (7, 2605525), (13, 1402975), (25, 729547), (35, 521105), (65, 280595), (91, 200425), (175, 104221), (325, 56119), (455, 40085), (2275, 8017)]