18188220

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{29}}^1\times {\mathrm{10453}}^1$

素因数の和:10494

約数の個数: 48

約数和(自身を含む): 52688160

約数和(自身を除く): 34499940

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, 10453, 20906, 31359, 41812, 52265, 62718, 104530, 125436, 156795, 209060, 303137, 313590, 606274, 627180, 909411, 1212548, 1515685, 1818822, 3031370, 3637644, 4547055, 6062740, 9094110, 18188220]

約数ペア:

[(1, 18188220), (2, 9094110), (3, 6062740), (4, 4547055), (5, 3637644), (6, 3031370), (10, 1818822), (12, 1515685), (15, 1212548), (20, 909411), (29, 627180), (30, 606274), (58, 313590), (60, 303137), (87, 209060), (116, 156795), (145, 125436), (174, 104530), (290, 62718), (348, 52265), (435, 41812), (580, 31359), (870, 20906), (1740, 10453)]