18891238

素因数分解:

$2^1\times {\mathrm{29}}^1\times {\mathrm{37}}^1\times {\mathrm{8803}}^1$

素因数の和:8871

約数の個数: 16

約数和(自身を含む): 30109680

約数和(自身を除く): 11218442

約数列:

[1, 2, 29, 37, 58, 74, 1073, 2146, 8803, 17606, 255287, 325711, 510574, 651422, 9445619, 18891238]

約数ペア:

[(1, 18891238), (2, 9445619), (29, 651422), (37, 510574), (58, 325711), (74, 255287), (1073, 17606), (2146, 8803)]