19317525

素因数分解:

$3^1\times 5^2\times {\mathrm{17}}^1\times {\mathrm{109}}^1\times {\mathrm{139}}^1$

素因数の和:278

約数の個数: 48

約数和(自身を含む): 34372800

約数和(自身を除く): 15055275

約数列:

[1, 3, 5, 15, 17, 25, 51, 75, 85, 109, 139, 255, 327, 417, 425, 545, 695, 1275, 1635, 1853, 2085, 2363, 2725, 3475, 5559, 7089, 8175, 9265, 10425, 11815, 15151, 27795, 35445, 45453, 46325, 59075, 75755, 138975, 177225, 227265, 257567, 378775, 772701, 1136325, 1287835, 3863505, 6439175, 19317525]

約数ペア:

[(1, 19317525), (3, 6439175), (5, 3863505), (15, 1287835), (17, 1136325), (25, 772701), (51, 378775), (75, 257567), (85, 227265), (109, 177225), (139, 138975), (255, 75755), (327, 59075), (417, 46325), (425, 45453), (545, 35445), (695, 27795), (1275, 15151), (1635, 11815), (1853, 10425), (2085, 9265), (2363, 8175), (2725, 7089), (3475, 5559)]