19477941

素因数分解:

$3^1\times 7^3\times {\mathrm{23}}^1\times {\mathrm{823}}^1$

素因数の和:870

約数の個数: 32

約数和(自身を含む): 31641600

約数和(自身を除く): 12163659

約数列:

[1, 3, 7, 21, 23, 49, 69, 147, 161, 343, 483, 823, 1029, 1127, 2469, 3381, 5761, 7889, 17283, 18929, 23667, 40327, 56787, 120981, 132503, 282289, 397509, 846867, 927521, 2782563, 6492647, 19477941]

約数ペア:

[(1, 19477941), (3, 6492647), (7, 2782563), (21, 927521), (23, 846867), (49, 397509), (69, 282289), (147, 132503), (161, 120981), (343, 56787), (483, 40327), (823, 23667), (1029, 18929), (1127, 17283), (2469, 7889), (3381, 5761)]