18737478

素因数分解:

$2^1\times 3^2\times {\mathrm{139}}^1\times {\mathrm{7489}}^1$

素因数の和:7636

約数の個数: 24

約数和(自身を含む): 40895400

約数和(自身を除く): 22157922

約数列:

[1, 2, 3, 6, 9, 18, 139, 278, 417, 834, 1251, 2502, 7489, 14978, 22467, 44934, 67401, 134802, 1040971, 2081942, 3122913, 6245826, 9368739, 18737478]

約数ペア:

[(1, 18737478), (2, 9368739), (3, 6245826), (6, 3122913), (9, 2081942), (18, 1040971), (139, 134802), (278, 67401), (417, 44934), (834, 22467), (1251, 14978), (2502, 7489)]