18996969585

素因数分解:

$3^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{131}}^2\times {\mathrm{6709}}^1$

素因数の和:6990

約数の個数: 48

約数和(自身を含む): 33418376640

約数和(自身を除く): 14421407055

約数列:

[1, 3, 5, 11, 15, 33, 55, 131, 165, 393, 655, 1441, 1965, 4323, 6709, 7205, 17161, 20127, 21615, 33545, 51483, 73799, 85805, 100635, 188771, 221397, 257415, 368995, 566313, 878879, 943855, 1106985, 2636637, 2831565, 4394395, 9667669, 13183185, 29003007, 48338345, 115133149, 145015035, 345399447, 575665745, 1266464639, 1726997235, 3799393917, 6332323195, 18996969585]

約数ペア:

[(1, 18996969585), (3, 6332323195), (5, 3799393917), (11, 1726997235), (15, 1266464639), (33, 575665745), (55, 345399447), (131, 145015035), (165, 115133149), (393, 48338345), (655, 29003007), (1441, 13183185), (1965, 9667669), (4323, 4394395), (6709, 2831565), (7205, 2636637), (17161, 1106985), (20127, 943855), (21615, 878879), (33545, 566313), (51483, 368995), (73799, 257415), (85805, 221397), (100635, 188771)]