19937386

素因数分解:

$2^1\times 7^1\times {\mathrm{659}}^1\times {\mathrm{2161}}^1$

素因数の和:2829

約数の個数: 16

約数和(自身を含む): 34246080

約数和(自身を除く): 14308694

約数列:

[1, 2, 7, 14, 659, 1318, 2161, 4322, 4613, 9226, 15127, 30254, 1424099, 2848198, 9968693, 19937386]

約数ペア:

[(1, 19937386), (2, 9968693), (7, 2848198), (14, 1424099), (659, 30254), (1318, 15127), (2161, 9226), (4322, 4613)]