19689021772

素因数分解:

$2^2\times 7^1\times {\mathrm{449}}^1\times {\mathrm{1566101}}^1$

素因数の和:1566561

約数の個数: 24

約数和(自身を含む): 39465770400

約数和(自身を除く): 19776748628

約数列:

[1, 2, 4, 7, 14, 28, 449, 898, 1796, 3143, 6286, 12572, 1566101, 3132202, 6264404, 10962707, 21925414, 43850828, 703179349, 1406358698, 2812717396, 4922255443, 9844510886, 19689021772]

約数ペア:

[(1, 19689021772), (2, 9844510886), (4, 4922255443), (7, 2812717396), (14, 1406358698), (28, 703179349), (449, 43850828), (898, 21925414), (1796, 10962707), (3143, 6264404), (6286, 3132202), (12572, 1566101)]