18791038

素因数分解:

$2^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{41}}^1\times {\mathrm{1723}}^1$

素因数の和:1792

約数の個数: 32

約数和(自身を含む): 34755840

約数和(自身を除く): 15964802

約数列:

[1, 2, 7, 14, 19, 38, 41, 82, 133, 266, 287, 574, 779, 1558, 1723, 3446, 5453, 10906, 12061, 24122, 32737, 65474, 70643, 141286, 229159, 458318, 494501, 989002, 1342217, 2684434, 9395519, 18791038]

約数ペア:

[(1, 18791038), (2, 9395519), (7, 2684434), (14, 1342217), (19, 989002), (38, 494501), (41, 458318), (82, 229159), (133, 141286), (266, 70643), (287, 65474), (574, 32737), (779, 24122), (1558, 12061), (1723, 10906), (3446, 5453)]