19421855

素因数分解:

$5^1\times {\mathrm{37}}^1\times {\mathrm{277}}^1\times {\mathrm{379}}^1$

素因数の和:698

約数の個数: 16

約数和(自身を含む): 24085920

約数和(自身を除く): 4664065

約数列:

[1, 5, 37, 185, 277, 379, 1385, 1895, 10249, 14023, 51245, 70115, 104983, 524915, 3884371, 19421855]

約数ペア:

[(1, 19421855), (5, 3884371), (37, 524915), (185, 104983), (277, 70115), (379, 51245), (1385, 14023), (1895, 10249)]