18008435

素因数分解:

$5^1\times {\mathrm{109}}^1\times {\mathrm{173}}^1\times {\mathrm{191}}^1$

素因数の和:478

約数の個数: 16

約数和(自身を含む): 22049280

約数和(自身を除く): 4040845

約数列:

[1, 5, 109, 173, 191, 545, 865, 955, 18857, 20819, 33043, 94285, 104095, 165215, 3601687, 18008435]

約数ペア:

[(1, 18008435), (5, 3601687), (109, 165215), (173, 104095), (191, 94285), (545, 33043), (865, 20819), (955, 18857)]