18330813

素因数分解:

$3^3\times {\mathrm{29}}^1\times {\mathrm{41}}^1\times {\mathrm{571}}^1$

素因数の和:650

約数の個数: 32

約数和(自身を含む): 28828800

約数和(自身を除く): 10497987

約数列:

[1, 3, 9, 27, 29, 41, 87, 123, 261, 369, 571, 783, 1107, 1189, 1713, 3567, 5139, 10701, 15417, 16559, 23411, 32103, 49677, 70233, 149031, 210699, 447093, 632097, 678919, 2036757, 6110271, 18330813]

約数ペア:

[(1, 18330813), (3, 6110271), (9, 2036757), (27, 678919), (29, 632097), (41, 447093), (87, 210699), (123, 149031), (261, 70233), (369, 49677), (571, 32103), (783, 23411), (1107, 16559), (1189, 15417), (1713, 10701), (3567, 5139)]