19673717

素因数分解:

$7^1\times {\mathrm{23}}^1\times {\mathrm{89}}^1\times {\mathrm{1373}}^1$

素因数の和:1492

約数の個数: 16

約数和(自身を含む): 23742720

約数和(自身を除く): 4069003

約数列:

[1, 7, 23, 89, 161, 623, 1373, 2047, 9611, 14329, 31579, 122197, 221053, 855379, 2810531, 19673717]

約数ペア:

[(1, 19673717), (7, 2810531), (23, 855379), (89, 221053), (161, 122197), (623, 31579), (1373, 14329), (2047, 9611)]