18663207

素因数分解:

$3^1\times {\mathrm{37}}^1\times {\mathrm{383}}^1\times {\mathrm{439}}^1$

素因数の和:862

約数の個数: 16

約数和(自身を含む): 25681920

約数和(自身を除く): 7018713

約数列:

[1, 3, 37, 111, 383, 439, 1149, 1317, 14171, 16243, 42513, 48729, 168137, 504411, 6221069, 18663207]

約数ペア:

[(1, 18663207), (3, 6221069), (37, 504411), (111, 168137), (383, 48729), (439, 42513), (1149, 16243), (1317, 14171)]