18638354

素因数分解:

$2^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{41}}^1\times {\mathrm{1709}}^1$

素因数の和:1778

約数の個数: 32

約数和(自身を含む): 34473600

約数和(自身を除く): 15835246

約数列:

[1, 2, 7, 14, 19, 38, 41, 82, 133, 266, 287, 574, 779, 1558, 1709, 3418, 5453, 10906, 11963, 23926, 32471, 64942, 70069, 140138, 227297, 454594, 490483, 980966, 1331311, 2662622, 9319177, 18638354]

約数ペア:

[(1, 18638354), (2, 9319177), (7, 2662622), (14, 1331311), (19, 980966), (38, 490483), (41, 454594), (82, 227297), (133, 140138), (266, 70069), (287, 64942), (574, 32471), (779, 23926), (1558, 11963), (1709, 10906), (3418, 5453)]