19812296

素因数分解:

$2^3\times 7^1\times {\mathrm{499}}^1\times {\mathrm{709}}^1$

素因数の和:1221

約数の個数: 32

約数和(自身を含む): 42600000

約数和(自身を除く): 22787704

約数列:

[1, 2, 4, 7, 8, 14, 28, 56, 499, 709, 998, 1418, 1996, 2836, 3493, 3992, 4963, 5672, 6986, 9926, 13972, 19852, 27944, 39704, 353791, 707582, 1415164, 2476537, 2830328, 4953074, 9906148, 19812296]

約数ペア:

[(1, 19812296), (2, 9906148), (4, 4953074), (7, 2830328), (8, 2476537), (14, 1415164), (28, 707582), (56, 353791), (499, 39704), (709, 27944), (998, 19852), (1418, 13972), (1996, 9926), (2836, 6986), (3493, 5672), (3992, 4963)]