19963923

素因数分解:

$3^1\times 7^2\times {\mathrm{67}}^1\times {\mathrm{2027}}^1$

素因数の和:2111

約数の個数: 24

約数和(自身を含む): 31442112

約数和(自身を除く): 11478189

約数列:

[1, 3, 7, 21, 49, 67, 147, 201, 469, 1407, 2027, 3283, 6081, 9849, 14189, 42567, 99323, 135809, 297969, 407427, 950663, 2851989, 6654641, 19963923]

約数ペア:

[(1, 19963923), (3, 6654641), (7, 2851989), (21, 950663), (49, 407427), (67, 297969), (147, 135809), (201, 99323), (469, 42567), (1407, 14189), (2027, 9849), (3283, 6081)]