18013786

素因数分解:

$2^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{241}}^1\times {\mathrm{281}}^1$

素因数の和:550

約数の個数: 32

約数和(自身を含む): 32757120

約数和(自身を除く): 14743334

約数列:

[1, 2, 7, 14, 19, 38, 133, 241, 266, 281, 482, 562, 1687, 1967, 3374, 3934, 4579, 5339, 9158, 10678, 32053, 37373, 64106, 67721, 74746, 135442, 474047, 948094, 1286699, 2573398, 9006893, 18013786]

約数ペア:

[(1, 18013786), (2, 9006893), (7, 2573398), (14, 1286699), (19, 948094), (38, 474047), (133, 135442), (241, 74746), (266, 67721), (281, 64106), (482, 37373), (562, 32053), (1687, 10678), (1967, 9158), (3374, 5339), (3934, 4579)]