18862875

素因数分解:

$3^8\times 5^3\times {\mathrm{23}}^1$

素因数の和:62

約数の個数: 72

約数和(自身を含む): 36844704

約数和(自身を除く): 17981829

約数列:

[1, 3, 5, 9, 15, 23, 25, 27, 45, 69, 75, 81, 115, 125, 135, 207, 225, 243, 345, 375, 405, 575, 621, 675, 729, 1035, 1125, 1215, 1725, 1863, 2025, 2187, 2875, 3105, 3375, 3645, 5175, 5589, 6075, 6561, 8625, 9315, 10125, 10935, 15525, 16767, 18225, 25875, 27945, 30375, 32805, 46575, 50301, 54675, 77625, 83835, 91125, 139725, 150903, 164025, 232875, 251505, 273375, 419175, 698625, 754515, 820125, 1257525, 2095875, 3772575, 6287625, 18862875]

約数ペア:

[(1, 18862875), (3, 6287625), (5, 3772575), (9, 2095875), (15, 1257525), (23, 820125), (25, 754515), (27, 698625), (45, 419175), (69, 273375), (75, 251505), (81, 232875), (115, 164025), (125, 150903), (135, 139725), (207, 91125), (225, 83835), (243, 77625), (345, 54675), (375, 50301), (405, 46575), (575, 32805), (621, 30375), (675, 27945), (729, 25875), (1035, 18225), (1125, 16767), (1215, 15525), (1725, 10935), (1863, 10125), (2025, 9315), (2187, 8625), (2875, 6561), (3105, 6075), (3375, 5589), (3645, 5175)]