19811288

素因数分解:

$2^3\times 7^2\times {\mathrm{50539}}^1$

素因数の和:50559

約数の個数: 24

約数和(自身を含む): 43211700

約数和(自身を除く): 23400412

約数列:

[1, 2, 4, 7, 8, 14, 28, 49, 56, 98, 196, 392, 50539, 101078, 202156, 353773, 404312, 707546, 1415092, 2476411, 2830184, 4952822, 9905644, 19811288]

約数ペア:

[(1, 19811288), (2, 9905644), (4, 4952822), (7, 2830184), (8, 2476411), (14, 1415092), (28, 707546), (49, 404312), (56, 353773), (98, 202156), (196, 101078), (392, 50539)]