19139644

素因数分解:

$2^2\times {\mathrm{43}}^1\times {\mathrm{223}}^1\times {\mathrm{499}}^1$

素因数の和:769

約数の個数: 24

約数和(自身を含む): 34496000

約数和(自身を除く): 15356356

約数列:

[1, 2, 4, 43, 86, 172, 223, 446, 499, 892, 998, 1996, 9589, 19178, 21457, 38356, 42914, 85828, 111277, 222554, 445108, 4784911, 9569822, 19139644]

約数ペア:

[(1, 19139644), (2, 9569822), (4, 4784911), (43, 445108), (86, 222554), (172, 111277), (223, 85828), (446, 42914), (499, 38356), (892, 21457), (998, 19178), (1996, 9589)]