19647801

素因数分解:

$3^2\times {\mathrm{17}}^1\times {\mathrm{281}}^1\times {\mathrm{457}}^1$

素因数の和:761

約数の個数: 24

約数和(自身を含む): 30222504

約数和(自身を除く): 10574703

約数列:

[1, 3, 9, 17, 51, 153, 281, 457, 843, 1371, 2529, 4113, 4777, 7769, 14331, 23307, 42993, 69921, 128417, 385251, 1155753, 2183089, 6549267, 19647801]

約数ペア:

[(1, 19647801), (3, 6549267), (9, 2183089), (17, 1155753), (51, 385251), (153, 128417), (281, 69921), (457, 42993), (843, 23307), (1371, 14331), (2529, 7769), (4113, 4777)]