18126909

素因数分解:

$3^4\times {\mathrm{31}}^1\times {\mathrm{7219}}^1$

素因数の和:7262

約数の個数: 20

約数和(自身を含む): 27955840

約数和(自身を除く): 9828931

約数列:

[1, 3, 9, 27, 31, 81, 93, 279, 837, 2511, 7219, 21657, 64971, 194913, 223789, 584739, 671367, 2014101, 6042303, 18126909]

約数ペア:

[(1, 18126909), (3, 6042303), (9, 2014101), (27, 671367), (31, 584739), (81, 223789), (93, 194913), (279, 64971), (837, 21657), (2511, 7219)]