19992201

素因数分解:

$3^1\times {\mathrm{61}}^1\times {\mathrm{107}}^1\times {\mathrm{1021}}^1$

素因数の和:1192

約数の個数: 16

約数和(自身を含む): 27373248

約数和(自身を除く): 7381047

約数列:

[1, 3, 61, 107, 183, 321, 1021, 3063, 6527, 19581, 62281, 109247, 186843, 327741, 6664067, 19992201]

約数ペア:

[(1, 19992201), (3, 6664067), (61, 327741), (107, 186843), (183, 109247), (321, 62281), (1021, 19581), (3063, 6527)]