18397561

素因数分解:

$7^1\times {\mathrm{13}}^1\times {\mathrm{41}}^1\times {\mathrm{4931}}^1$

素因数の和:4992

約数の個数: 16

約数和(自身を含む): 23200128

約数和(自身を除く): 4802567

約数列:

[1, 7, 13, 41, 91, 287, 533, 3731, 4931, 34517, 64103, 202171, 448721, 1415197, 2628223, 18397561]

約数ペア:

[(1, 18397561), (7, 2628223), (13, 1415197), (41, 448721), (91, 202171), (287, 64103), (533, 34517), (3731, 4931)]