18697321

素因数分解:

${\mathrm{23}}^1\times {\mathrm{37}}^1\times {\mathrm{127}}^1\times {\mathrm{173}}^1$

素因数の和:360

約数の個数: 16

約数和(自身を含む): 20312064

約数和(自身を除く): 1614743

約数列:

[1, 23, 37, 127, 173, 851, 2921, 3979, 4699, 6401, 21971, 108077, 147223, 505333, 812927, 18697321]

約数ペア:

[(1, 18697321), (23, 812927), (37, 505333), (127, 147223), (173, 108077), (851, 21971), (2921, 6401), (3979, 4699)]