18891939

素因数分解:

$3^1\times {\mathrm{11}}^1\times {\mathrm{41}}^1\times {\mathrm{13963}}^1$

素因数の和:14018

約数の個数: 16

約数和(自身を含む): 28151424

約数和(自身を除く): 9259485

約数列:

[1, 3, 11, 33, 41, 123, 451, 1353, 13963, 41889, 153593, 460779, 572483, 1717449, 6297313, 18891939]

約数ペア:

[(1, 18891939), (3, 6297313), (11, 1717449), (33, 572483), (41, 460779), (123, 153593), (451, 41889), (1353, 13963)]