19714305

素因数分解:

$3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{313}}^1$

素因数の和:370

約数の個数: 64

約数和(自身を含む): 37981440

約数和(自身を除く): 18267135

約数列:

[1, 3, 5, 13, 15, 17, 19, 39, 51, 57, 65, 85, 95, 195, 221, 247, 255, 285, 313, 323, 663, 741, 939, 969, 1105, 1235, 1565, 1615, 3315, 3705, 4069, 4199, 4695, 4845, 5321, 5947, 12207, 12597, 15963, 17841, 20345, 20995, 26605, 29735, 61035, 62985, 69173, 77311, 79815, 89205, 101099, 207519, 231933, 303297, 345865, 386555, 505495, 1037595, 1159665, 1314287, 1516485, 3942861, 6571435, 19714305]

約数ペア:

[(1, 19714305), (3, 6571435), (5, 3942861), (13, 1516485), (15, 1314287), (17, 1159665), (19, 1037595), (39, 505495), (51, 386555), (57, 345865), (65, 303297), (85, 231933), (95, 207519), (195, 101099), (221, 89205), (247, 79815), (255, 77311), (285, 69173), (313, 62985), (323, 61035), (663, 29735), (741, 26605), (939, 20995), (969, 20345), (1105, 17841), (1235, 15963), (1565, 12597), (1615, 12207), (3315, 5947), (3705, 5321), (4069, 4845), (4199, 4695)]