18433395

素因数分解:

$3^2\times 5^1\times {\mathrm{41}}^1\times {\mathrm{97}}^1\times {\mathrm{103}}^1$

素因数の和:252

約数の個数: 48

約数和(自身を含む): 33388992

約数和(自身を除く): 14955597

約数列:

[1, 3, 5, 9, 15, 41, 45, 97, 103, 123, 205, 291, 309, 369, 485, 515, 615, 873, 927, 1455, 1545, 1845, 3977, 4223, 4365, 4635, 9991, 11931, 12669, 19885, 21115, 29973, 35793, 38007, 49955, 59655, 63345, 89919, 149865, 178965, 190035, 409631, 449595, 1228893, 2048155, 3686679, 6144465, 18433395]

約数ペア:

[(1, 18433395), (3, 6144465), (5, 3686679), (9, 2048155), (15, 1228893), (41, 449595), (45, 409631), (97, 190035), (103, 178965), (123, 149865), (205, 89919), (291, 63345), (309, 59655), (369, 49955), (485, 38007), (515, 35793), (615, 29973), (873, 21115), (927, 19885), (1455, 12669), (1545, 11931), (1845, 9991), (3977, 4635), (4223, 4365)]