18278266

素因数分解:

$2^1\times {\mathrm{19}}^1\times {\mathrm{137}}^1\times {\mathrm{3511}}^1$

素因数の和:3669

約数の個数: 16

約数和(自身を含む): 29079360

約数和(自身を除く): 10801094

約数列:

[1, 2, 19, 38, 137, 274, 2603, 3511, 5206, 7022, 66709, 133418, 481007, 962014, 9139133, 18278266]

約数ペア:

[(1, 18278266), (2, 9139133), (19, 962014), (38, 481007), (137, 133418), (274, 66709), (2603, 7022), (3511, 5206)]