19934499

素因数分解:

$3^1\times {\mathrm{13}}^1\times {\mathrm{43}}^1\times {\mathrm{11887}}^1$

素因数の和:11946

約数の個数: 16

約数和(自身を含む): 29292032

約数和(自身を除く): 9357533

約数列:

[1, 3, 13, 39, 43, 129, 559, 1677, 11887, 35661, 154531, 463593, 511141, 1533423, 6644833, 19934499]

約数ペア:

[(1, 19934499), (3, 6644833), (13, 1533423), (39, 511141), (43, 463593), (129, 154531), (559, 35661), (1677, 11887)]