189192978

素因数分解:

$2^1\times 3^2\times {\mathrm{13}}^1\times {\mathrm{808517}}^1$

素因数の和:808538

約数の個数: 24

約数和(自身を含む): 441450828

約数和(自身を除く): 252257850

約数列:

[1, 2, 3, 6, 9, 13, 18, 26, 39, 78, 117, 234, 808517, 1617034, 2425551, 4851102, 7276653, 10510721, 14553306, 21021442, 31532163, 63064326, 94596489, 189192978]

約数ペア:

[(1, 189192978), (2, 94596489), (3, 63064326), (6, 31532163), (9, 21021442), (13, 14553306), (18, 10510721), (26, 7276653), (39, 4851102), (78, 2425551), (117, 1617034), (234, 808517)]