18638508

素因数分解:

$2^2\times 3^1\times 7^1\times {\mathrm{47}}^1\times {\mathrm{4721}}^1$

素因数の和:4782

約数の個数: 48

約数和(自身を含む): 50770944

約数和(自身を除く): 32132436

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, 4721, 9442, 14163, 18884, 28326, 33047, 56652, 66094, 99141, 132188, 198282, 221887, 396564, 443774, 665661, 887548, 1331322, 1553209, 2662644, 3106418, 4659627, 6212836, 9319254, 18638508]

約数ペア:

[(1, 18638508), (2, 9319254), (3, 6212836), (4, 4659627), (6, 3106418), (7, 2662644), (12, 1553209), (14, 1331322), (21, 887548), (28, 665661), (42, 443774), (47, 396564), (84, 221887), (94, 198282), (141, 132188), (188, 99141), (282, 66094), (329, 56652), (564, 33047), (658, 28326), (987, 18884), (1316, 14163), (1974, 9442), (3948, 4721)]