18623605

素因数分解:

$5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{61}}^2$

素因数の和:158

約数の個数: 48

約数和(自身を含む): 30506112

約数和(自身を除く): 11882507

約数列:

[1, 5, 7, 11, 13, 35, 55, 61, 65, 77, 91, 143, 305, 385, 427, 455, 671, 715, 793, 1001, 2135, 3355, 3721, 3965, 4697, 5005, 5551, 8723, 18605, 23485, 26047, 27755, 40931, 43615, 48373, 61061, 130235, 204655, 241865, 286517, 305305, 338611, 532103, 1432585, 1693055, 2660515, 3724721, 18623605]

約数ペア:

[(1, 18623605), (5, 3724721), (7, 2660515), (11, 1693055), (13, 1432585), (35, 532103), (55, 338611), (61, 305305), (65, 286517), (77, 241865), (91, 204655), (143, 130235), (305, 61061), (385, 48373), (427, 43615), (455, 40931), (671, 27755), (715, 26047), (793, 23485), (1001, 18605), (2135, 8723), (3355, 5551), (3721, 5005), (3965, 4697)]