18678118

素因数分解:

$2^1\times {\mathrm{37}}^1\times {\mathrm{173}}^1\times {\mathrm{1459}}^1$

素因数の和:1671

約数の個数: 16

約数和(自身を含む): 28960560

約数和(自身を除く): 10282442

約数列:

[1, 2, 37, 74, 173, 346, 1459, 2918, 6401, 12802, 53983, 107966, 252407, 504814, 9339059, 18678118]

約数ペア:

[(1, 18678118), (2, 9339059), (37, 504814), (74, 252407), (173, 107966), (346, 53983), (1459, 12802), (2918, 6401)]