19496716

素因数分解:

$2^2\times {\mathrm{43}}^1\times {\mathrm{263}}^1\times {\mathrm{431}}^1$

素因数の和:741

約数の個数: 24

約数和(自身を含む): 35126784

約数和(自身を除く): 15630068

約数列:

[1, 2, 4, 43, 86, 172, 263, 431, 526, 862, 1052, 1724, 11309, 18533, 22618, 37066, 45236, 74132, 113353, 226706, 453412, 4874179, 9748358, 19496716]

約数ペア:

[(1, 19496716), (2, 9748358), (4, 4874179), (43, 453412), (86, 226706), (172, 113353), (263, 74132), (431, 45236), (526, 37066), (862, 22618), (1052, 18533), (1724, 11309)]