18973330

素因数分解:

$2^1\times 5^1\times {\mathrm{71}}^1\times {\mathrm{26723}}^1$

素因数の和:26801

約数の個数: 16

約数和(自身を含む): 34634304

約数和(自身を除く): 15660974

約数列:

[1, 2, 5, 10, 71, 142, 355, 710, 26723, 53446, 133615, 267230, 1897333, 3794666, 9486665, 18973330]

約数ペア:

[(1, 18973330), (2, 9486665), (5, 3794666), (10, 1897333), (71, 267230), (142, 133615), (355, 53446), (710, 26723)]