19123585

素因数分解:

$5^1\times {\mathrm{13}}^1\times {\mathrm{239}}^1\times {\mathrm{1231}}^1$

素因数の和:1488

約数の個数: 16

約数和(自身を含む): 24837120

約数和(自身を除く): 5713535

約数列:

[1, 5, 13, 65, 239, 1195, 1231, 3107, 6155, 15535, 16003, 80015, 294209, 1471045, 3824717, 19123585]

約数ペア:

[(1, 19123585), (5, 3824717), (13, 1471045), (65, 294209), (239, 80015), (1195, 16003), (1231, 15535), (3107, 6155)]