18996818421

素因数分解:

$3^1\times 7^1\times {\mathrm{23}}^1\times {\mathrm{39330887}}^1$

素因数の和:39330920

約数の個数: 16

約数和(自身を含む): 30206121984

約数和(自身を除く): 11209303563

約数列:

[1, 3, 7, 21, 23, 69, 161, 483, 39330887, 117992661, 275316209, 825948627, 904610401, 2713831203, 6332272807, 18996818421]

約数ペア:

[(1, 18996818421), (3, 6332272807), (7, 2713831203), (21, 904610401), (23, 825948627), (69, 275316209), (161, 117992661), (483, 39330887)]