19725496

素因数分解:

$2^3\times 7^1\times {\mathrm{19}}^1\times {\mathrm{18539}}^1$

素因数の和:18571

約数の個数: 32

約数和(自身を含む): 44496000

約数和(自身を除く): 24770504

約数列:

[1, 2, 4, 7, 8, 14, 19, 28, 38, 56, 76, 133, 152, 266, 532, 1064, 18539, 37078, 74156, 129773, 148312, 259546, 352241, 519092, 704482, 1038184, 1408964, 2465687, 2817928, 4931374, 9862748, 19725496]

約数ペア:

[(1, 19725496), (2, 9862748), (4, 4931374), (7, 2817928), (8, 2465687), (14, 1408964), (19, 1038184), (28, 704482), (38, 519092), (56, 352241), (76, 259546), (133, 148312), (152, 129773), (266, 74156), (532, 37078), (1064, 18539)]