19798576

素因数分解:

$2^4\times 7^1\times {\mathrm{43}}^1\times {\mathrm{4111}}^1$

素因数の和:4169

約数の個数: 40

約数和(自身を含む): 44870144

約数和(自身を除く): 25071568

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 43, 56, 86, 112, 172, 301, 344, 602, 688, 1204, 2408, 4111, 4816, 8222, 16444, 28777, 32888, 57554, 65776, 115108, 176773, 230216, 353546, 460432, 707092, 1237411, 1414184, 2474822, 2828368, 4949644, 9899288, 19798576]

約数ペア:

[(1, 19798576), (2, 9899288), (4, 4949644), (7, 2828368), (8, 2474822), (14, 1414184), (16, 1237411), (28, 707092), (43, 460432), (56, 353546), (86, 230216), (112, 176773), (172, 115108), (301, 65776), (344, 57554), (602, 32888), (688, 28777), (1204, 16444), (2408, 8222), (4111, 4816)]