19524975

素因数分解:

$3^1\times 5^2\times {\mathrm{29}}^1\times {\mathrm{47}}^1\times {\mathrm{191}}^1$

素因数の和:280

約数の個数: 48

約数和(自身を含む): 34283520

約数和(自身を除く): 14758545

約数列:

[1, 3, 5, 15, 25, 29, 47, 75, 87, 141, 145, 191, 235, 435, 573, 705, 725, 955, 1175, 1363, 2175, 2865, 3525, 4089, 4775, 5539, 6815, 8977, 14325, 16617, 20445, 26931, 27695, 34075, 44885, 83085, 102225, 134655, 138475, 224425, 260333, 415425, 673275, 780999, 1301665, 3904995, 6508325, 19524975]

約数ペア:

[(1, 19524975), (3, 6508325), (5, 3904995), (15, 1301665), (25, 780999), (29, 673275), (47, 415425), (75, 260333), (87, 224425), (141, 138475), (145, 134655), (191, 102225), (235, 83085), (435, 44885), (573, 34075), (705, 27695), (725, 26931), (955, 20445), (1175, 16617), (1363, 14325), (2175, 8977), (2865, 6815), (3525, 5539), (4089, 4775)]