19397901

素因数分解:

$3^1\times {\mathrm{17}}^1\times {\mathrm{23}}^2\times {\mathrm{719}}^1$

素因数の和:785

約数の個数: 24

約数和(自身を含む): 28667520

約数和(自身を除く): 9269619

約数列:

[1, 3, 17, 23, 51, 69, 391, 529, 719, 1173, 1587, 2157, 8993, 12223, 16537, 26979, 36669, 49611, 281129, 380351, 843387, 1141053, 6465967, 19397901]

約数ペア:

[(1, 19397901), (3, 6465967), (17, 1141053), (23, 843387), (51, 380351), (69, 281129), (391, 49611), (529, 36669), (719, 26979), (1173, 16537), (1587, 12223), (2157, 8993)]