18349975

素因数分解:

$5^2\times 7^1\times {\mathrm{23}}^1\times {\mathrm{47}}^1\times {\mathrm{97}}^1$

素因数の和:184

約数の個数: 48

約数和(自身を含む): 27998208

約数和(自身を除く): 9648233

約数列:

[1, 5, 7, 23, 25, 35, 47, 97, 115, 161, 175, 235, 329, 485, 575, 679, 805, 1081, 1175, 1645, 2231, 2425, 3395, 4025, 4559, 5405, 7567, 8225, 11155, 15617, 16975, 22795, 27025, 31913, 37835, 55775, 78085, 104857, 113975, 159565, 189175, 390425, 524285, 733999, 797825, 2621425, 3669995, 18349975]

約数ペア:

[(1, 18349975), (5, 3669995), (7, 2621425), (23, 797825), (25, 733999), (35, 524285), (47, 390425), (97, 189175), (115, 159565), (161, 113975), (175, 104857), (235, 78085), (329, 55775), (485, 37835), (575, 31913), (679, 27025), (805, 22795), (1081, 16975), (1175, 15617), (1645, 11155), (2231, 8225), (2425, 7567), (3395, 5405), (4025, 4559)]