18905508

素因数分解:

$2^2\times 3^3\times {\mathrm{193}}^1\times {\mathrm{907}}^1$

素因数の和:1113

約数の個数: 48

約数和(自身を含む): 49322560

約数和(自身を除く): 30417052

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 27, 36, 54, 108, 193, 386, 579, 772, 907, 1158, 1737, 1814, 2316, 2721, 3474, 3628, 5211, 5442, 6948, 8163, 10422, 10884, 16326, 20844, 24489, 32652, 48978, 97956, 175051, 350102, 525153, 700204, 1050306, 1575459, 2100612, 3150918, 4726377, 6301836, 9452754, 18905508]

約数ペア:

[(1, 18905508), (2, 9452754), (3, 6301836), (4, 4726377), (6, 3150918), (9, 2100612), (12, 1575459), (18, 1050306), (27, 700204), (36, 525153), (54, 350102), (108, 175051), (193, 97956), (386, 48978), (579, 32652), (772, 24489), (907, 20844), (1158, 16326), (1737, 10884), (1814, 10422), (2316, 8163), (2721, 6948), (3474, 5442), (3628, 5211)]