19139199

素因数分解:

$3^1\times {\mathrm{47}}^1\times {\mathrm{149}}^1\times {\mathrm{911}}^1$

素因数の和:1110

約数の個数: 16

約数和(自身を含む): 26265600

約数和(自身を除く): 7126401

約数列:

[1, 3, 47, 141, 149, 447, 911, 2733, 7003, 21009, 42817, 128451, 135739, 407217, 6379733, 19139199]

約数ペア:

[(1, 19139199), (3, 6379733), (47, 407217), (141, 135739), (149, 128451), (447, 42817), (911, 21009), (2733, 7003)]