18345785

素因数分解:

$5^1\times {\mathrm{127}}^1\times {\mathrm{167}}^1\times {\mathrm{173}}^1$

素因数の和:472

約数の個数: 16

約数和(自身を含む): 22450176

約数和(自身を除く): 4104391

約数列:

[1, 5, 127, 167, 173, 635, 835, 865, 21209, 21971, 28891, 106045, 109855, 144455, 3669157, 18345785]

約数ペア:

[(1, 18345785), (5, 3669157), (127, 144455), (167, 109855), (173, 106045), (635, 28891), (835, 21971), (865, 21209)]