19639380

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{29}}^1\times {\mathrm{11287}}^1$

素因数の和:11328

約数の個数: 48

約数和(自身を含む): 56891520

約数和(自身を除く): 37252140

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, 11287, 22574, 33861, 45148, 56435, 67722, 112870, 135444, 169305, 225740, 327323, 338610, 654646, 677220, 981969, 1309292, 1636615, 1963938, 3273230, 3927876, 4909845, 6546460, 9819690, 19639380]

約数ペア:

[(1, 19639380), (2, 9819690), (3, 6546460), (4, 4909845), (5, 3927876), (6, 3273230), (10, 1963938), (12, 1636615), (15, 1309292), (20, 981969), (29, 677220), (30, 654646), (58, 338610), (60, 327323), (87, 225740), (116, 169305), (145, 135444), (174, 112870), (290, 67722), (348, 56435), (435, 45148), (580, 33861), (870, 22574), (1740, 11287)]