19072017

素因数分解:

$3^4\times {\mathrm{241}}^1\times {\mathrm{977}}^1$

素因数の和:1230

約数の個数: 20

約数和(自身を含む): 28637796

約数和(自身を除く): 9565779

約数列:

[1, 3, 9, 27, 81, 241, 723, 977, 2169, 2931, 6507, 8793, 19521, 26379, 79137, 235457, 706371, 2119113, 6357339, 19072017]

約数ペア:

[(1, 19072017), (3, 6357339), (9, 2119113), (27, 706371), (81, 235457), (241, 79137), (723, 26379), (977, 19521), (2169, 8793), (2931, 6507)]