18201971128

素因数分解:

$2^3\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{2633}}^1\times {\mathrm{4621}}^1$

素因数の和:7288

約数の個数: 64

約数和(自身を含む): 39444887520

約数和(自身を除く): 21242916392

約数列:

[1, 2, 4, 8, 11, 17, 22, 34, 44, 68, 88, 136, 187, 374, 748, 1496, 2633, 4621, 5266, 9242, 10532, 18484, 21064, 28963, 36968, 44761, 50831, 57926, 78557, 89522, 101662, 115852, 157114, 179044, 203324, 231704, 314228, 358088, 406648, 492371, 628456, 864127, 984742, 1728254, 1969484, 3456508, 3938968, 6913016, 12167093, 24334186, 48668372, 97336744, 133838023, 206840581, 267676046, 413681162, 535352092, 827362324, 1070704184, 1654724648, 2275246391, 4550492782, 9100985564, 18201971128]

約数ペア:

[(1, 18201971128), (2, 9100985564), (4, 4550492782), (8, 2275246391), (11, 1654724648), (17, 1070704184), (22, 827362324), (34, 535352092), (44, 413681162), (68, 267676046), (88, 206840581), (136, 133838023), (187, 97336744), (374, 48668372), (748, 24334186), (1496, 12167093), (2633, 6913016), (4621, 3938968), (5266, 3456508), (9242, 1969484), (10532, 1728254), (18484, 984742), (21064, 864127), (28963, 628456), (36968, 492371), (44761, 406648), (50831, 358088), (57926, 314228), (78557, 231704), (89522, 203324), (101662, 179044), (115852, 157114)]