19043997

素因数分解:

$3^1\times 7^2\times {\mathrm{353}}^1\times {\mathrm{367}}^1$

素因数の和:737

約数の個数: 24

約数和(自身を含む): 29702016

約数和(自身を除く): 10658019

約数列:

[1, 3, 7, 21, 49, 147, 353, 367, 1059, 1101, 2471, 2569, 7413, 7707, 17297, 17983, 51891, 53949, 129551, 388653, 906857, 2720571, 6347999, 19043997]

約数ペア:

[(1, 19043997), (3, 6347999), (7, 2720571), (21, 906857), (49, 388653), (147, 129551), (353, 53949), (367, 51891), (1059, 17983), (1101, 17297), (2471, 7707), (2569, 7413)]