19402173

素因数分解:

$3^4\times 7^1\times {\mathrm{19}}^1\times {\mathrm{1801}}^1$

素因数の和:1839

約数の個数: 40

約数和(自身を含む): 34886720

約数和(自身を除く): 15484547

約数列:

[1, 3, 7, 9, 19, 21, 27, 57, 63, 81, 133, 171, 189, 399, 513, 567, 1197, 1539, 1801, 3591, 5403, 10773, 12607, 16209, 34219, 37821, 48627, 102657, 113463, 145881, 239533, 307971, 340389, 718599, 923913, 1021167, 2155797, 2771739, 6467391, 19402173]

約数ペア:

[(1, 19402173), (3, 6467391), (7, 2771739), (9, 2155797), (19, 1021167), (21, 923913), (27, 718599), (57, 340389), (63, 307971), (81, 239533), (133, 145881), (171, 113463), (189, 102657), (399, 48627), (513, 37821), (567, 34219), (1197, 16209), (1539, 12607), (1801, 10773), (3591, 5403)]