18426518

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{37}}^1\times {\mathrm{22637}}^1$

素因数の和:22687

約数の個数: 16

約数和(自身を含む): 30968784

約数和(自身を除く): 12542266

約数列:

[1, 2, 11, 22, 37, 74, 407, 814, 22637, 45274, 249007, 498014, 837569, 1675138, 9213259, 18426518]

約数ペア:

[(1, 18426518), (2, 9213259), (11, 1675138), (22, 837569), (37, 498014), (74, 249007), (407, 45274), (814, 22637)]