19872244

素因数分解:

$2^2\times 7^2\times {\mathrm{53}}^1\times {\mathrm{1913}}^1$

素因数の和:1984

約数の個数: 36

約数和(自身を含む): 41239044

約数和(自身を除く): 21366800

約数列:

[1, 2, 4, 7, 14, 28, 49, 53, 98, 106, 196, 212, 371, 742, 1484, 1913, 2597, 3826, 5194, 7652, 10388, 13391, 26782, 53564, 93737, 101389, 187474, 202778, 374948, 405556, 709723, 1419446, 2838892, 4968061, 9936122, 19872244]

約数ペア:

[(1, 19872244), (2, 9936122), (4, 4968061), (7, 2838892), (14, 1419446), (28, 709723), (49, 405556), (53, 374948), (98, 202778), (106, 187474), (196, 101389), (212, 93737), (371, 53564), (742, 26782), (1484, 13391), (1913, 10388), (2597, 7652), (3826, 5194)]