19103997

素因数分解:

$3^1\times {\mathrm{11}}^1\times {\mathrm{43}}^1\times {\mathrm{13463}}^1$

素因数の和:13520

約数の個数: 16

約数和(自身を含む): 28435968

約数和(自身を除く): 9331971

約数列:

[1, 3, 11, 33, 43, 129, 473, 1419, 13463, 40389, 148093, 444279, 578909, 1736727, 6367999, 19103997]

約数ペア:

[(1, 19103997), (3, 6367999), (11, 1736727), (33, 578909), (43, 444279), (129, 148093), (473, 40389), (1419, 13463)]