18896735

素因数分解:

$5^1\times {\mathrm{11}}^1\times {\mathrm{13}}^2\times {\mathrm{19}}^1\times {\mathrm{107}}^1$

素因数の和:168

約数の個数: 48

約数和(自身を含む): 28460160

約数和(自身を除く): 9563425

約数列:

[1, 5, 11, 13, 19, 55, 65, 95, 107, 143, 169, 209, 247, 535, 715, 845, 1045, 1177, 1235, 1391, 1859, 2033, 2717, 3211, 5885, 6955, 9295, 10165, 13585, 15301, 16055, 18083, 22363, 26429, 35321, 76505, 90415, 111815, 132145, 176605, 198913, 290719, 343577, 994565, 1453595, 1717885, 3779347, 18896735]

約数ペア:

[(1, 18896735), (5, 3779347), (11, 1717885), (13, 1453595), (19, 994565), (55, 343577), (65, 290719), (95, 198913), (107, 176605), (143, 132145), (169, 111815), (209, 90415), (247, 76505), (535, 35321), (715, 26429), (845, 22363), (1045, 18083), (1177, 16055), (1235, 15301), (1391, 13585), (1859, 10165), (2033, 9295), (2717, 6955), (3211, 5885)]