19869633

素因数分解:

$3^2\times 7^1\times {\mathrm{139}}^1\times {\mathrm{2269}}^1$

素因数の和:2421

約数の個数: 24

約数和(自身を含む): 33051200

約数和(自身を除く): 13181567

約数列:

[1, 3, 7, 9, 21, 63, 139, 417, 973, 1251, 2269, 2919, 6807, 8757, 15883, 20421, 47649, 142947, 315391, 946173, 2207737, 2838519, 6623211, 19869633]

約数ペア:

[(1, 19869633), (3, 6623211), (7, 2838519), (9, 2207737), (21, 946173), (63, 315391), (139, 142947), (417, 47649), (973, 20421), (1251, 15883), (2269, 8757), (2919, 6807)]