2019012105

素因数分解:

$3^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{23}}^1\times {\mathrm{28001}}^1$

素因数の和:28062

約数の個数: 64

約数和(自身を含む): 3870996480

約数和(自身を除く): 1851984375

約数列:

[1, 3, 5, 11, 15, 19, 23, 33, 55, 57, 69, 95, 115, 165, 209, 253, 285, 345, 437, 627, 759, 1045, 1265, 1311, 2185, 3135, 3795, 4807, 6555, 14421, 24035, 28001, 72105, 84003, 140005, 308011, 420015, 532019, 644023, 924033, 1540055, 1596057, 1932069, 2660095, 3220115, 4620165, 5852209, 7084253, 7980285, 9660345, 12236437, 17556627, 21252759, 29261045, 35421265, 36709311, 61182185, 87783135, 106263795, 134600807, 183546555, 403802421, 673004035, 2019012105]

約数ペア:

[(1, 2019012105), (3, 673004035), (5, 403802421), (11, 183546555), (15, 134600807), (19, 106263795), (23, 87783135), (33, 61182185), (55, 36709311), (57, 35421265), (69, 29261045), (95, 21252759), (115, 17556627), (165, 12236437), (209, 9660345), (253, 7980285), (285, 7084253), (345, 5852209), (437, 4620165), (627, 3220115), (759, 2660095), (1045, 1932069), (1265, 1596057), (1311, 1540055), (2185, 924033), (3135, 644023), (3795, 532019), (4807, 420015), (6555, 308011), (14421, 140005), (24035, 84003), (28001, 72105)]