18877029111

素因数分解:

$3^2\times {\mathrm{43}}^1\times {\mathrm{1291}}^1\times {\mathrm{37783}}^1$

素因数の和:39123

約数の個数: 24

約数和(自身を含む): 27923282816

約数和(自身を除く): 9046253705

約数列:

[1, 3, 9, 43, 129, 387, 1291, 3873, 11619, 37783, 55513, 113349, 166539, 340047, 499617, 1624669, 4874007, 14622021, 48777853, 146333559, 439000677, 2097447679, 6292343037, 18877029111]

約数ペア:

[(1, 18877029111), (3, 6292343037), (9, 2097447679), (43, 439000677), (129, 146333559), (387, 48777853), (1291, 14622021), (3873, 4874007), (11619, 1624669), (37783, 499617), (55513, 340047), (113349, 166539)]