19413891

素因数分解:

$3^3\times 7^1\times {\mathrm{59}}^1\times {\mathrm{1741}}^1$

素因数の和:1816

約数の個数: 32

約数和(自身を含む): 33446400

約数和(自身を除く): 14032509

約数列:

[1, 3, 7, 9, 21, 27, 59, 63, 177, 189, 413, 531, 1239, 1593, 1741, 3717, 5223, 11151, 12187, 15669, 36561, 47007, 102719, 109683, 308157, 329049, 719033, 924471, 2157099, 2773413, 6471297, 19413891]

約数ペア:

[(1, 19413891), (3, 6471297), (7, 2773413), (9, 2157099), (21, 924471), (27, 719033), (59, 329049), (63, 308157), (177, 109683), (189, 102719), (413, 47007), (531, 36561), (1239, 15669), (1593, 12187), (1741, 11151), (3717, 5223)]