18981435

素因数分解:

$3^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{67}}^1\times {\mathrm{101}}^1$

素因数の和:204

約数の個数: 64

約数和(自身を含む): 35956224

約数和(自身を除く): 16974789

約数列:

[1, 3, 5, 11, 15, 17, 33, 51, 55, 67, 85, 101, 165, 187, 201, 255, 303, 335, 505, 561, 737, 935, 1005, 1111, 1139, 1515, 1717, 2211, 2805, 3333, 3417, 3685, 5151, 5555, 5695, 6767, 8585, 11055, 12529, 16665, 17085, 18887, 20301, 25755, 33835, 37587, 56661, 62645, 74437, 94435, 101505, 115039, 187935, 223311, 283305, 345117, 372185, 575195, 1116555, 1265429, 1725585, 3796287, 6327145, 18981435]

約数ペア:

[(1, 18981435), (3, 6327145), (5, 3796287), (11, 1725585), (15, 1265429), (17, 1116555), (33, 575195), (51, 372185), (55, 345117), (67, 283305), (85, 223311), (101, 187935), (165, 115039), (187, 101505), (201, 94435), (255, 74437), (303, 62645), (335, 56661), (505, 37587), (561, 33835), (737, 25755), (935, 20301), (1005, 18887), (1111, 17085), (1139, 16665), (1515, 12529), (1717, 11055), (2211, 8585), (2805, 6767), (3333, 5695), (3417, 5555), (3685, 5151)]