19505255

素因数分解:

$5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{29}}^1\times {\mathrm{1747}}^1$

素因数の和:1799

約数の個数: 32

約数和(自身を含む): 30205440

約数和(自身を除く): 10700185

約数列:

[1, 5, 7, 11, 29, 35, 55, 77, 145, 203, 319, 385, 1015, 1595, 1747, 2233, 8735, 11165, 12229, 19217, 50663, 61145, 96085, 134519, 253315, 354641, 557293, 672595, 1773205, 2786465, 3901051, 19505255]

約数ペア:

[(1, 19505255), (5, 3901051), (7, 2786465), (11, 1773205), (29, 672595), (35, 557293), (55, 354641), (77, 253315), (145, 134519), (203, 96085), (319, 61145), (385, 50663), (1015, 19217), (1595, 12229), (1747, 11165), (2233, 8735)]