19941273

素因数分解:

$3^2\times {\mathrm{11}}^1\times {\mathrm{71}}^1\times {\mathrm{2837}}^1$

素因数の和:2925

約数の個数: 24

約数和(自身を含む): 31876416

約数和(自身を除く): 11935143

約数列:

[1, 3, 9, 11, 33, 71, 99, 213, 639, 781, 2343, 2837, 7029, 8511, 25533, 31207, 93621, 201427, 280863, 604281, 1812843, 2215697, 6647091, 19941273]

約数ペア:

[(1, 19941273), (3, 6647091), (9, 2215697), (11, 1812843), (33, 604281), (71, 280863), (99, 201427), (213, 93621), (639, 31207), (781, 25533), (2343, 8511), (2837, 7029)]