19921713

素因数分解:

$3^1\times 7^1\times {\mathrm{67}}^1\times {\mathrm{14159}}^1$

素因数の和:14236

約数の個数: 16

約数和(自身を含む): 30812160

約数和(自身を除く): 10890447

約数列:

[1, 3, 7, 21, 67, 201, 469, 1407, 14159, 42477, 99113, 297339, 948653, 2845959, 6640571, 19921713]

約数ペア:

[(1, 19921713), (3, 6640571), (7, 2845959), (21, 948653), (67, 297339), (201, 99113), (469, 42477), (1407, 14159)]