19132905

素因数分解:

$3^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{359}}^1$

素因数の和:414

約数の個数: 64

約数和(自身を含む): 37324800

約数和(自身を除く): 18191895

約数列:

[1, 3, 5, 11, 15, 17, 19, 33, 51, 55, 57, 85, 95, 165, 187, 209, 255, 285, 323, 359, 561, 627, 935, 969, 1045, 1077, 1615, 1795, 2805, 3135, 3553, 3949, 4845, 5385, 6103, 6821, 10659, 11847, 17765, 18309, 19745, 20463, 30515, 34105, 53295, 59235, 67133, 75031, 91545, 102315, 115957, 201399, 225093, 335665, 347871, 375155, 579785, 1006995, 1125465, 1275527, 1739355, 3826581, 6377635, 19132905]

約数ペア:

[(1, 19132905), (3, 6377635), (5, 3826581), (11, 1739355), (15, 1275527), (17, 1125465), (19, 1006995), (33, 579785), (51, 375155), (55, 347871), (57, 335665), (85, 225093), (95, 201399), (165, 115957), (187, 102315), (209, 91545), (255, 75031), (285, 67133), (323, 59235), (359, 53295), (561, 34105), (627, 30515), (935, 20463), (969, 19745), (1045, 18309), (1077, 17765), (1615, 11847), (1795, 10659), (2805, 6821), (3135, 6103), (3553, 5385), (3949, 4845)]