19864828

素因数分解:

$2^2\times {\mathrm{41}}^1\times {\mathrm{59}}^1\times {\mathrm{2053}}^1$

素因数の和:2157

約数の個数: 24

約数和(自身を含む): 36232560

約数和(自身を除く): 16367732

約数列:

[1, 2, 4, 41, 59, 82, 118, 164, 236, 2053, 2419, 4106, 4838, 8212, 9676, 84173, 121127, 168346, 242254, 336692, 484508, 4966207, 9932414, 19864828]

約数ペア:

[(1, 19864828), (2, 9932414), (4, 4966207), (41, 484508), (59, 336692), (82, 242254), (118, 168346), (164, 121127), (236, 84173), (2053, 9676), (2419, 8212), (4106, 4838)]