18893297

素因数分解:

${\mathrm{29}}^1\times {\mathrm{43}}^1\times {\mathrm{109}}^1\times {\mathrm{139}}^1$

素因数の和:320

約数の個数: 16

約数和(自身を含む): 20328000

約数和(自身を除く): 1434703

約数列:

[1, 29, 43, 109, 139, 1247, 3161, 4031, 4687, 5977, 15151, 135923, 173333, 439379, 651493, 18893297]

約数ペア:

[(1, 18893297), (29, 651493), (43, 439379), (109, 173333), (139, 135923), (1247, 15151), (3161, 5977), (4031, 4687)]