19915496

素因数分解:

$2^3\times {\mathrm{19}}^1\times {\mathrm{131023}}^1$

素因数の和:131048

約数の個数: 16

約数和(自身を含む): 39307200

約数和(自身を除く): 19391704

約数列:

[1, 2, 4, 8, 19, 38, 76, 152, 131023, 262046, 524092, 1048184, 2489437, 4978874, 9957748, 19915496]

約数ペア:

[(1, 19915496), (2, 9957748), (4, 4978874), (8, 2489437), (19, 1048184), (38, 524092), (76, 262046), (152, 131023)]