18653745

素因数分解:

$3^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{131}}^1\times {\mathrm{863}}^1$

素因数の和:1013

約数の個数: 32

約数和(自身を含む): 32845824

約数和(自身を除く): 14192079

約数列:

[1, 3, 5, 11, 15, 33, 55, 131, 165, 393, 655, 863, 1441, 1965, 2589, 4315, 4323, 7205, 9493, 12945, 21615, 28479, 47465, 113053, 142395, 339159, 565265, 1243583, 1695795, 3730749, 6217915, 18653745]

約数ペア:

[(1, 18653745), (3, 6217915), (5, 3730749), (11, 1695795), (15, 1243583), (33, 565265), (55, 339159), (131, 142395), (165, 113053), (393, 47465), (655, 28479), (863, 21615), (1441, 12945), (1965, 9493), (2589, 7205), (4315, 4323)]