18213013

素因数分解:

$7^1\times {\mathrm{13}}^1\times {\mathrm{263}}^1\times {\mathrm{761}}^1$

素因数の和:1044

約数の個数: 16

約数和(自身を含む): 22530816

約数和(自身を除く): 4317803

約数列:

[1, 7, 13, 91, 263, 761, 1841, 3419, 5327, 9893, 23933, 69251, 200143, 1401001, 2601859, 18213013]

約数ペア:

[(1, 18213013), (7, 2601859), (13, 1401001), (91, 200143), (263, 69251), (761, 23933), (1841, 9893), (3419, 5327)]