19404560

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{34651}}^1$

素因数の和:34671

約数の個数: 40

約数和(自身を含む): 51562176

約数和(自身を除く): 32157616

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 35, 40, 56, 70, 80, 112, 140, 280, 560, 34651, 69302, 138604, 173255, 242557, 277208, 346510, 485114, 554416, 693020, 970228, 1212785, 1386040, 1940456, 2425570, 2772080, 3880912, 4851140, 9702280, 19404560]

約数ペア:

[(1, 19404560), (2, 9702280), (4, 4851140), (5, 3880912), (7, 2772080), (8, 2425570), (10, 1940456), (14, 1386040), (16, 1212785), (20, 970228), (28, 693020), (35, 554416), (40, 485114), (56, 346510), (70, 277208), (80, 242557), (112, 173255), (140, 138604), (280, 69302), (560, 34651)]