18720846

素因数分解:

$2^1\times 3^2\times {\mathrm{41}}^1\times {\mathrm{25367}}^1$

素因数の和:25416

約数の個数: 24

約数和(自身を含む): 41552784

約数和(自身を除く): 22831938

約数列:

[1, 2, 3, 6, 9, 18, 41, 82, 123, 246, 369, 738, 25367, 50734, 76101, 152202, 228303, 456606, 1040047, 2080094, 3120141, 6240282, 9360423, 18720846]

約数ペア:

[(1, 18720846), (2, 9360423), (3, 6240282), (6, 3120141), (9, 2080094), (18, 1040047), (41, 456606), (82, 228303), (123, 152202), (246, 76101), (369, 50734), (738, 25367)]