19749087

素因数分解:

$3^2\times {\mathrm{17}}^1\times {\mathrm{29}}^1\times {\mathrm{4451}}^1$

素因数の和:4503

約数の個数: 24

約数和(自身を含む): 31253040

約数和(自身を除く): 11503953

約数列:

[1, 3, 9, 17, 29, 51, 87, 153, 261, 493, 1479, 4437, 4451, 13353, 40059, 75667, 129079, 227001, 387237, 681003, 1161711, 2194343, 6583029, 19749087]

約数ペア:

[(1, 19749087), (3, 6583029), (9, 2194343), (17, 1161711), (29, 681003), (51, 387237), (87, 227001), (153, 129079), (261, 75667), (493, 40059), (1479, 13353), (4437, 4451)]