18978641

素因数分解:

${\mathrm{11}}^1\times {\mathrm{991}}^1\times {\mathrm{1741}}^1$

素因数の和:2743

約数の個数: 8

約数和(自身を含む): 20736768

約数和(自身を除く): 1758127

約数列:

[1, 11, 991, 1741, 10901, 19151, 1725331, 18978641]

約数ペア:

[(1, 18978641), (11, 1725331), (991, 19151), (1741, 10901)]