18087097

素因数分解:

$7^1\times {\mathrm{29}}^1\times {\mathrm{139}}^1\times {\mathrm{641}}^1$

素因数の和:816

約数の個数: 16

約数和(自身を含む): 21571200

約数和(自身を除く): 3484103

約数列:

[1, 7, 29, 139, 203, 641, 973, 4031, 4487, 18589, 28217, 89099, 130123, 623693, 2583871, 18087097]

約数ペア:

[(1, 18087097), (7, 2583871), (29, 623693), (139, 130123), (203, 89099), (641, 28217), (973, 18589), (4031, 4487)]