23181988

素因数分解:

$2^2\times {\mathrm{43}}^1\times {\mathrm{53}}^1\times {\mathrm{2543}}^1$

素因数の和:2643

約数の個数: 24

約数和(自身を含む): 42311808

約数和(自身を除く): 19129820

約数列:

[1, 2, 4, 43, 53, 86, 106, 172, 212, 2279, 2543, 4558, 5086, 9116, 10172, 109349, 134779, 218698, 269558, 437396, 539116, 5795497, 11590994, 23181988]

約数ペア:

[(1, 23181988), (2, 11590994), (4, 5795497), (43, 539116), (53, 437396), (86, 269558), (106, 218698), (172, 134779), (212, 109349), (2279, 10172), (2543, 9116), (4558, 5086)]