19713148

素因数分解:

$2^2\times 7^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{1747}}^1$

素因数の和:1802

約数の個数: 48

約数和(自身を含む): 43853824

約数和(自身を除く): 24140676

約数列:

[1, 2, 4, 7, 13, 14, 26, 28, 31, 52, 62, 91, 124, 182, 217, 364, 403, 434, 806, 868, 1612, 1747, 2821, 3494, 5642, 6988, 11284, 12229, 22711, 24458, 45422, 48916, 54157, 90844, 108314, 158977, 216628, 317954, 379099, 635908, 704041, 758198, 1408082, 1516396, 2816164, 4928287, 9856574, 19713148]

約数ペア:

[(1, 19713148), (2, 9856574), (4, 4928287), (7, 2816164), (13, 1516396), (14, 1408082), (26, 758198), (28, 704041), (31, 635908), (52, 379099), (62, 317954), (91, 216628), (124, 158977), (182, 108314), (217, 90844), (364, 54157), (403, 48916), (434, 45422), (806, 24458), (868, 22711), (1612, 12229), (1747, 11284), (2821, 6988), (3494, 5642)]