18880741

素因数分解:

${\mathrm{11}}^1\times {\mathrm{43}}^1\times {\mathrm{179}}^1\times {\mathrm{223}}^1$

素因数の和:456

約数の個数: 16

約数和(自身を含む): 21288960

約数和(自身を除く): 2408219

約数列:

[1, 11, 43, 179, 223, 473, 1969, 2453, 7697, 9589, 39917, 84667, 105479, 439087, 1716431, 18880741]

約数ペア:

[(1, 18880741), (11, 1716431), (43, 439087), (179, 105479), (223, 84667), (473, 39917), (1969, 9589), (2453, 7697)]