19412204

素因数分解:

$2^2\times 7^1\times {\mathrm{53}}^1\times {\mathrm{103}}^1\times {\mathrm{127}}^1$

素因数の和:294

約数の個数: 48

約数和(自身を含む): 40255488

約数和(自身を除く): 20843284

約数列:

[1, 2, 4, 7, 14, 28, 53, 103, 106, 127, 206, 212, 254, 371, 412, 508, 721, 742, 889, 1442, 1484, 1778, 2884, 3556, 5459, 6731, 10918, 13081, 13462, 21836, 26162, 26924, 38213, 47117, 52324, 76426, 91567, 94234, 152852, 183134, 188468, 366268, 693293, 1386586, 2773172, 4853051, 9706102, 19412204]

約数ペア:

[(1, 19412204), (2, 9706102), (4, 4853051), (7, 2773172), (14, 1386586), (28, 693293), (53, 366268), (103, 188468), (106, 183134), (127, 152852), (206, 94234), (212, 91567), (254, 76426), (371, 52324), (412, 47117), (508, 38213), (721, 26924), (742, 26162), (889, 21836), (1442, 13462), (1484, 13081), (1778, 10918), (2884, 6731), (3556, 5459)]