19899435

素因数分解:

$3^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{73}}^1\times {\mathrm{1069}}^1$

素因数の和:1167

約数の個数: 32

約数和(自身を含む): 34205760

約数和(自身を除く): 14306325

約数列:

[1, 3, 5, 15, 17, 51, 73, 85, 219, 255, 365, 1069, 1095, 1241, 3207, 3723, 5345, 6205, 16035, 18173, 18615, 54519, 78037, 90865, 234111, 272595, 390185, 1170555, 1326629, 3979887, 6633145, 19899435]

約数ペア:

[(1, 19899435), (3, 6633145), (5, 3979887), (15, 1326629), (17, 1170555), (51, 390185), (73, 272595), (85, 234111), (219, 90865), (255, 78037), (365, 54519), (1069, 18615), (1095, 18173), (1241, 16035), (3207, 6205), (3723, 5345)]