19421920

素因数分解:

$2^5\times 5^1\times 7^1\times {\mathrm{17341}}^1$

素因数の和:17363

約数の個数: 48

約数和(自身を含む): 52442208

約数和(自身を除く): 33020288

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 32, 35, 40, 56, 70, 80, 112, 140, 160, 224, 280, 560, 1120, 17341, 34682, 69364, 86705, 121387, 138728, 173410, 242774, 277456, 346820, 485548, 554912, 606935, 693640, 971096, 1213870, 1387280, 1942192, 2427740, 2774560, 3884384, 4855480, 9710960, 19421920]

約数ペア:

[(1, 19421920), (2, 9710960), (4, 4855480), (5, 3884384), (7, 2774560), (8, 2427740), (10, 1942192), (14, 1387280), (16, 1213870), (20, 971096), (28, 693640), (32, 606935), (35, 554912), (40, 485548), (56, 346820), (70, 277456), (80, 242774), (112, 173410), (140, 138728), (160, 121387), (224, 86705), (280, 69364), (560, 34682), (1120, 17341)]