18935235

素因数分解:

$3^3\times 5^1\times {\mathrm{11}}^1\times {\mathrm{41}}^1\times {\mathrm{311}}^1$

素因数の和:377

約数の個数: 64

約数和(自身を含む): 37739520

約数和(自身を除く): 18804285

約数列:

[1, 3, 5, 9, 11, 15, 27, 33, 41, 45, 55, 99, 123, 135, 165, 205, 297, 311, 369, 451, 495, 615, 933, 1107, 1353, 1485, 1555, 1845, 2255, 2799, 3421, 4059, 4665, 5535, 6765, 8397, 10263, 12177, 12751, 13995, 17105, 20295, 30789, 38253, 41985, 51315, 60885, 63755, 92367, 114759, 140261, 153945, 191265, 344277, 420783, 461835, 573795, 701305, 1262349, 1721385, 2103915, 3787047, 6311745, 18935235]

約数ペア:

[(1, 18935235), (3, 6311745), (5, 3787047), (9, 2103915), (11, 1721385), (15, 1262349), (27, 701305), (33, 573795), (41, 461835), (45, 420783), (55, 344277), (99, 191265), (123, 153945), (135, 140261), (165, 114759), (205, 92367), (297, 63755), (311, 60885), (369, 51315), (451, 41985), (495, 38253), (615, 30789), (933, 20295), (1107, 17105), (1353, 13995), (1485, 12751), (1555, 12177), (1845, 10263), (2255, 8397), (2799, 6765), (3421, 5535), (4059, 4665)]