819217072

素因数分解:

$2^4\times {\mathrm{19}}^1\times {\mathrm{139}}^1\times {\mathrm{19387}}^1$

素因数の和:19553

約数の個数: 40

約数和(自身を含む): 1682878400

約数和(自身を除く): 863661328

約数列:

[1, 2, 4, 8, 16, 19, 38, 76, 139, 152, 278, 304, 556, 1112, 2224, 2641, 5282, 10564, 19387, 21128, 38774, 42256, 77548, 155096, 310192, 368353, 736706, 1473412, 2694793, 2946824, 5389586, 5893648, 10779172, 21558344, 43116688, 51201067, 102402134, 204804268, 409608536, 819217072]

約数ペア:

[(1, 819217072), (2, 409608536), (4, 204804268), (8, 102402134), (16, 51201067), (19, 43116688), (38, 21558344), (76, 10779172), (139, 5893648), (152, 5389586), (278, 2946824), (304, 2694793), (556, 1473412), (1112, 736706), (2224, 368353), (2641, 310192), (5282, 155096), (10564, 77548), (19387, 42256), (21128, 38774)]