18862713

素因数分解:

$3^4\times {\mathrm{59}}^1\times {\mathrm{3947}}^1$

素因数の和:4018

約数の個数: 20

約数和(自身を含む): 28662480

約数和(自身を除く): 9799767

約数列:

[1, 3, 9, 27, 59, 81, 177, 531, 1593, 3947, 4779, 11841, 35523, 106569, 232873, 319707, 698619, 2095857, 6287571, 18862713]

約数ペア:

[(1, 18862713), (3, 6287571), (9, 2095857), (27, 698619), (59, 319707), (81, 232873), (177, 106569), (531, 35523), (1593, 11841), (3947, 4779)]