19780545862

素因数分解:

$2^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{128445103}}^1$

素因数の和:128445123

約数の個数: 16

約数和(自身を含む): 36992189952

約数和(自身を除く): 17211644090

約数列:

[1, 2, 7, 11, 14, 22, 77, 154, 128445103, 256890206, 899115721, 1412896133, 1798231442, 2825792266, 9890272931, 19780545862]

約数ペア:

[(1, 19780545862), (2, 9890272931), (7, 2825792266), (11, 1798231442), (14, 1412896133), (22, 899115721), (77, 256890206), (154, 128445103)]