19278825

素因数分解:

$3^1\times 5^2\times {\mathrm{19}}^1\times {\mathrm{83}}^1\times {\mathrm{163}}^1$

素因数の和:278

約数の個数: 48

約数和(自身を含む): 34164480

約数和(自身を除く): 14885655

約数列:

[1, 3, 5, 15, 19, 25, 57, 75, 83, 95, 163, 249, 285, 415, 475, 489, 815, 1245, 1425, 1577, 2075, 2445, 3097, 4075, 4731, 6225, 7885, 9291, 12225, 13529, 15485, 23655, 39425, 40587, 46455, 67645, 77425, 118275, 202935, 232275, 257051, 338225, 771153, 1014675, 1285255, 3855765, 6426275, 19278825]

約数ペア:

[(1, 19278825), (3, 6426275), (5, 3855765), (15, 1285255), (19, 1014675), (25, 771153), (57, 338225), (75, 257051), (83, 232275), (95, 202935), (163, 118275), (249, 77425), (285, 67645), (415, 46455), (475, 40587), (489, 39425), (815, 23655), (1245, 15485), (1425, 13529), (1577, 12225), (2075, 9291), (2445, 7885), (3097, 6225), (4075, 4731)]