18741540

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{29}}^1\times {\mathrm{10771}}^1$

素因数の和:10812

約数の個数: 48

約数和(自身を含む): 54290880

約数和(自身を除く): 35549340

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 29, 30, 58, 60, 87, 116, 145, 174, 290, 348, 435, 580, 870, 1740, 10771, 21542, 32313, 43084, 53855, 64626, 107710, 129252, 161565, 215420, 312359, 323130, 624718, 646260, 937077, 1249436, 1561795, 1874154, 3123590, 3748308, 4685385, 6247180, 9370770, 18741540]

約数ペア:

[(1, 18741540), (2, 9370770), (3, 6247180), (4, 4685385), (5, 3748308), (6, 3123590), (10, 1874154), (12, 1561795), (15, 1249436), (20, 937077), (29, 646260), (30, 624718), (58, 323130), (60, 312359), (87, 215420), (116, 161565), (145, 129252), (174, 107710), (290, 64626), (348, 53855), (435, 43084), (580, 32313), (870, 21542), (1740, 10771)]