18275397

素因数分解:

$3^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{163}}^1\times {\mathrm{281}}^1$

素因数の和:473

約数の個数: 32

約数和(自身を含む): 29598720

約数和(自身を除く): 11323323

約数列:

[1, 3, 7, 19, 21, 57, 133, 163, 281, 399, 489, 843, 1141, 1967, 3097, 3423, 5339, 5901, 9291, 16017, 21679, 37373, 45803, 65037, 112119, 137409, 320621, 870257, 961863, 2610771, 6091799, 18275397]

約数ペア:

[(1, 18275397), (3, 6091799), (7, 2610771), (19, 961863), (21, 870257), (57, 320621), (133, 137409), (163, 112119), (281, 65037), (399, 45803), (489, 37373), (843, 21679), (1141, 16017), (1967, 9291), (3097, 5901), (3423, 5339)]