18217143

素因数分解:

$3^4\times 7^1\times {\mathrm{19}}^2\times {\mathrm{89}}^1$

素因数の和:146

約数の個数: 60

約数和(自身を含む): 33192720

約数和(自身を除く): 14975577

約数列:

[1, 3, 7, 9, 19, 21, 27, 57, 63, 81, 89, 133, 171, 189, 267, 361, 399, 513, 567, 623, 801, 1083, 1197, 1539, 1691, 1869, 2403, 2527, 3249, 3591, 5073, 5607, 7209, 7581, 9747, 10773, 11837, 15219, 16821, 22743, 29241, 32129, 35511, 45657, 50463, 68229, 96387, 106533, 136971, 204687, 224903, 289161, 319599, 674709, 867483, 958797, 2024127, 2602449, 6072381, 18217143]

約数ペア:

[(1, 18217143), (3, 6072381), (7, 2602449), (9, 2024127), (19, 958797), (21, 867483), (27, 674709), (57, 319599), (63, 289161), (81, 224903), (89, 204687), (133, 136971), (171, 106533), (189, 96387), (267, 68229), (361, 50463), (399, 45657), (513, 35511), (567, 32129), (623, 29241), (801, 22743), (1083, 16821), (1197, 15219), (1539, 11837), (1691, 10773), (1869, 9747), (2403, 7581), (2527, 7209), (3249, 5607), (3591, 5073)]