19937757

素因数分解:

$3^1\times 7^2\times {\mathrm{23}}^1\times {\mathrm{5897}}^1$

素因数の和:5937

約数の個数: 24

約数和(自身を含む): 32273856

約数和(自身を除く): 12336099

約数列:

[1, 3, 7, 21, 23, 49, 69, 147, 161, 483, 1127, 3381, 5897, 17691, 41279, 123837, 135631, 288953, 406893, 866859, 949417, 2848251, 6645919, 19937757]

約数ペア:

[(1, 19937757), (3, 6645919), (7, 2848251), (21, 949417), (23, 866859), (49, 406893), (69, 288953), (147, 135631), (161, 123837), (483, 41279), (1127, 17691), (3381, 5897)]