18968061

素因数分解:

$3^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{137}}^1\times {\mathrm{347}}^1$

素因数の和:513

約数の個数: 32

約数和(自身を含む): 30735360

約数和(自身を除く): 11767299

約数列:

[1, 3, 7, 19, 21, 57, 133, 137, 347, 399, 411, 959, 1041, 2429, 2603, 2877, 6593, 7287, 7809, 18221, 19779, 46151, 47539, 54663, 138453, 142617, 332773, 903241, 998319, 2709723, 6322687, 18968061]

約数ペア:

[(1, 18968061), (3, 6322687), (7, 2709723), (19, 998319), (21, 903241), (57, 332773), (133, 142617), (137, 138453), (347, 54663), (399, 47539), (411, 46151), (959, 19779), (1041, 18221), (2429, 7809), (2603, 7287), (2877, 6593)]