18846639

素因数分解:

$3^2\times 7^1\times {\mathrm{293}}^1\times {\mathrm{1021}}^1$

素因数の和:1327

約数の個数: 24

約数和(自身を含む): 31248672

約数和(自身を除く): 12402033

約数列:

[1, 3, 7, 9, 21, 63, 293, 879, 1021, 2051, 2637, 3063, 6153, 7147, 9189, 18459, 21441, 64323, 299153, 897459, 2094071, 2692377, 6282213, 18846639]

約数ペア:

[(1, 18846639), (3, 6282213), (7, 2692377), (9, 2094071), (21, 897459), (63, 299153), (293, 64323), (879, 21441), (1021, 18459), (2051, 9189), (2637, 7147), (3063, 6153)]