19676493

素因数分解:

$3^3\times {\mathrm{67}}^1\times {\mathrm{73}}^1\times {\mathrm{149}}^1$

素因数の和:298

約数の個数: 32

約数和(自身を含む): 30192000

約数和(自身を除く): 10515507

約数列:

[1, 3, 9, 27, 67, 73, 149, 201, 219, 447, 603, 657, 1341, 1809, 1971, 4023, 4891, 9983, 10877, 14673, 29949, 32631, 44019, 89847, 97893, 132057, 269541, 293679, 728759, 2186277, 6558831, 19676493]

約数ペア:

[(1, 19676493), (3, 6558831), (9, 2186277), (27, 728759), (67, 293679), (73, 269541), (149, 132057), (201, 97893), (219, 89847), (447, 44019), (603, 32631), (657, 29949), (1341, 14673), (1809, 10877), (1971, 9983), (4023, 4891)]