19421249

素因数分解:

${\mathrm{19}}^1\times {\mathrm{41}}^1\times {\mathrm{107}}^1\times {\mathrm{233}}^1$

素因数の和:400

約数の個数: 16

約数和(自身を含む): 21228480

約数和(自身を除く): 1807231

約数列:

[1, 19, 41, 107, 233, 779, 2033, 4387, 4427, 9553, 24931, 83353, 181507, 473689, 1022171, 19421249]

約数ペア:

[(1, 19421249), (19, 1022171), (41, 473689), (107, 181507), (233, 83353), (779, 24931), (2033, 9553), (4387, 4427)]