18304885

素因数分解:

$5^1\times {\mathrm{19}}^1\times {\mathrm{43}}^1\times {\mathrm{4481}}^1$

素因数の和:4548

約数の個数: 16

約数和(自身を含む): 23664960

約数和(自身を除く): 5360075

約数列:

[1, 5, 19, 43, 95, 215, 817, 4085, 4481, 22405, 85139, 192683, 425695, 963415, 3660977, 18304885]

約数ペア:

[(1, 18304885), (5, 3660977), (19, 963415), (43, 425695), (95, 192683), (215, 85139), (817, 22405), (4085, 4481)]