19312580

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{137947}}^1$

素因数の和:137963

約数の個数: 24

約数和(自身を含む): 46350528

約数和(自身を除く): 27037948

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 137947, 275894, 551788, 689735, 965629, 1379470, 1931258, 2758940, 3862516, 4828145, 9656290, 19312580]

約数ペア:

[(1, 19312580), (2, 9656290), (4, 4828145), (5, 3862516), (7, 2758940), (10, 1931258), (14, 1379470), (20, 965629), (28, 689735), (35, 551788), (70, 275894), (140, 137947)]