19697741

素因数分解:

$7^1\times {\mathrm{31}}^1\times {\mathrm{43}}^1\times {\mathrm{2111}}^1$

素因数の和:2192

約数の個数: 16

約数和(自身を含む): 23789568

約数和(自身を除く): 4091827

約数列:

[1, 7, 31, 43, 217, 301, 1333, 2111, 9331, 14777, 65441, 90773, 458087, 635411, 2813963, 19697741]

約数ペア:

[(1, 19697741), (7, 2813963), (31, 635411), (43, 458087), (217, 90773), (301, 65441), (1333, 14777), (2111, 9331)]