19630719

素因数分解:

$3^2\times {\mathrm{31}}^1\times {\mathrm{71}}^1\times {\mathrm{991}}^1$

素因数の和:1099

約数の個数: 24

約数和(自身を含む): 29712384

約数和(自身を除く): 10081665

約数列:

[1, 3, 9, 31, 71, 93, 213, 279, 639, 991, 2201, 2973, 6603, 8919, 19809, 30721, 70361, 92163, 211083, 276489, 633249, 2181191, 6543573, 19630719]

約数ペア:

[(1, 19630719), (3, 6543573), (9, 2181191), (31, 633249), (71, 276489), (93, 211083), (213, 92163), (279, 70361), (639, 30721), (991, 19809), (2201, 8919), (2973, 6603)]