17991684

素因数分解:

$2^2\times 3^2\times {\mathrm{71}}^1\times {\mathrm{7039}}^1$

素因数の和:7120

約数の個数: 36

約数和(自身を含む): 46126080

約数和(自身を除く): 28134396

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 36, 71, 142, 213, 284, 426, 639, 852, 1278, 2556, 7039, 14078, 21117, 28156, 42234, 63351, 84468, 126702, 253404, 499769, 999538, 1499307, 1999076, 2998614, 4497921, 5997228, 8995842, 17991684]

約数ペア:

[(1, 17991684), (2, 8995842), (3, 5997228), (4, 4497921), (6, 2998614), (9, 1999076), (12, 1499307), (18, 999538), (36, 499769), (71, 253404), (142, 126702), (213, 84468), (284, 63351), (426, 42234), (639, 28156), (852, 21117), (1278, 14078), (2556, 7039)]