18783999

素因数分解:

$3^2\times {\mathrm{13}}^1\times {\mathrm{181}}^1\times {\mathrm{887}}^1$

素因数の和:1087

約数の個数: 24

約数和(自身を含む): 29414112

約数和(自身を除く): 10630113

約数列:

[1, 3, 9, 13, 39, 117, 181, 543, 887, 1629, 2353, 2661, 7059, 7983, 11531, 21177, 34593, 103779, 160547, 481641, 1444923, 2087111, 6261333, 18783999]

約数ペア:

[(1, 18783999), (3, 6261333), (9, 2087111), (13, 1444923), (39, 481641), (117, 160547), (181, 103779), (543, 34593), (887, 21177), (1629, 11531), (2353, 7983), (2661, 7059)]