19962836

素因数分解:

$2^2\times {\mathrm{43}}^1\times {\mathrm{277}}^1\times {\mathrm{419}}^1$

素因数の和:743

約数の個数: 24

約数和(自身を含む): 35962080

約数和(自身を除く): 15999244

約数列:

[1, 2, 4, 43, 86, 172, 277, 419, 554, 838, 1108, 1676, 11911, 18017, 23822, 36034, 47644, 72068, 116063, 232126, 464252, 4990709, 9981418, 19962836]

約数ペア:

[(1, 19962836), (2, 9981418), (4, 4990709), (43, 464252), (86, 232126), (172, 116063), (277, 72068), (419, 47644), (554, 36034), (838, 23822), (1108, 18017), (1676, 11911)]