19661435

素因数分解:

$5^1\times {\mathrm{17}}^1\times {\mathrm{23}}^1\times {\mathrm{89}}^1\times {\mathrm{113}}^1$

素因数の和:247

約数の個数: 32

約数和(自身を含む): 26593920

約数和(自身を除く): 6932485

約数列:

[1, 5, 17, 23, 85, 89, 113, 115, 391, 445, 565, 1513, 1921, 1955, 2047, 2599, 7565, 9605, 10057, 10235, 12995, 34799, 44183, 50285, 170969, 173995, 220915, 231311, 854845, 1156555, 3932287, 19661435]

約数ペア:

[(1, 19661435), (5, 3932287), (17, 1156555), (23, 854845), (85, 231311), (89, 220915), (113, 173995), (115, 170969), (391, 50285), (445, 44183), (565, 34799), (1513, 12995), (1921, 10235), (1955, 10057), (2047, 9605), (2599, 7565)]