18681804

素因数分解:

$2^2\times 3^2\times {\mathrm{71}}^1\times {\mathrm{7309}}^1$

素因数の和:7390

約数の個数: 36

約数和(自身を含む): 47895120

約数和(自身を除く): 29213316

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 36, 71, 142, 213, 284, 426, 639, 852, 1278, 2556, 7309, 14618, 21927, 29236, 43854, 65781, 87708, 131562, 263124, 518939, 1037878, 1556817, 2075756, 3113634, 4670451, 6227268, 9340902, 18681804]

約数ペア:

[(1, 18681804), (2, 9340902), (3, 6227268), (4, 4670451), (6, 3113634), (9, 2075756), (12, 1556817), (18, 1037878), (36, 518939), (71, 263124), (142, 131562), (213, 87708), (284, 65781), (426, 43854), (639, 29236), (852, 21927), (1278, 14618), (2556, 7309)]