2019988138

素因数分解:

$2^1\times 7^1\times {\mathrm{37}}^1\times {\mathrm{353}}^1\times {\mathrm{11047}}^1$

素因数の和:11446

約数の個数: 32

約数和(自身を含む): 3566824704

約数和(自身を除く): 1546836566

約数列:

[1, 2, 7, 14, 37, 74, 259, 353, 518, 706, 2471, 4942, 11047, 13061, 22094, 26122, 77329, 91427, 154658, 182854, 408739, 817478, 2861173, 3899591, 5722346, 7799182, 27297137, 54594274, 144284867, 288569734, 1009994069, 2019988138]

約数ペア:

[(1, 2019988138), (2, 1009994069), (7, 288569734), (14, 144284867), (37, 54594274), (74, 27297137), (259, 7799182), (353, 5722346), (518, 3899591), (706, 2861173), (2471, 817478), (4942, 408739), (11047, 182854), (13061, 154658), (22094, 91427), (26122, 77329)]