19865594

素因数分解:

$2^1\times 7^1\times {\mathrm{127}}^1\times {\mathrm{11173}}^1$

素因数の和:11309

約数の個数: 16

約数和(自身を含む): 34326528

約数和(自身を除く): 14460934

約数列:

[1, 2, 7, 14, 127, 254, 889, 1778, 11173, 22346, 78211, 156422, 1418971, 2837942, 9932797, 19865594]

約数ペア:

[(1, 19865594), (2, 9932797), (7, 2837942), (14, 1418971), (127, 156422), (254, 78211), (889, 22346), (1778, 11173)]