19858552

素因数分解:

$2^3\times 7^1\times {\mathrm{131}}^1\times {\mathrm{2707}}^1$

素因数の和:2851

約数の個数: 32

約数和(自身を含む): 42894720

約数和(自身を除く): 23036168

約数列:

[1, 2, 4, 7, 8, 14, 28, 56, 131, 262, 524, 917, 1048, 1834, 2707, 3668, 5414, 7336, 10828, 18949, 21656, 37898, 75796, 151592, 354617, 709234, 1418468, 2482319, 2836936, 4964638, 9929276, 19858552]

約数ペア:

[(1, 19858552), (2, 9929276), (4, 4964638), (7, 2836936), (8, 2482319), (14, 1418468), (28, 709234), (56, 354617), (131, 151592), (262, 75796), (524, 37898), (917, 21656), (1048, 18949), (1834, 10828), (2707, 7336), (3668, 5414)]