18243708

素因数分解:

$2^2\times 3^1\times 7^1\times {\mathrm{47}}^1\times {\mathrm{4621}}^1$

素因数の和:4682

約数の個数: 48

約数和(自身を含む): 49695744

約数和(自身を除く): 31452036

約数列:

[1, 2, 3, 4, 6, 7, 12, 14, 21, 28, 42, 47, 84, 94, 141, 188, 282, 329, 564, 658, 987, 1316, 1974, 3948, 4621, 9242, 13863, 18484, 27726, 32347, 55452, 64694, 97041, 129388, 194082, 217187, 388164, 434374, 651561, 868748, 1303122, 1520309, 2606244, 3040618, 4560927, 6081236, 9121854, 18243708]

約数ペア:

[(1, 18243708), (2, 9121854), (3, 6081236), (4, 4560927), (6, 3040618), (7, 2606244), (12, 1520309), (14, 1303122), (21, 868748), (28, 651561), (42, 434374), (47, 388164), (84, 217187), (94, 194082), (141, 129388), (188, 97041), (282, 64694), (329, 55452), (564, 32347), (658, 27726), (987, 18484), (1316, 13863), (1974, 9242), (3948, 4621)]