19744735

素因数分解:

$5^1\times {\mathrm{17}}^1\times {\mathrm{149}}^1\times {\mathrm{1559}}^1$

素因数の和:1730

約数の個数: 16

約数和(自身を含む): 25272000

約数和(自身を除く): 5527265

約数列:

[1, 5, 17, 85, 149, 745, 1559, 2533, 7795, 12665, 26503, 132515, 232291, 1161455, 3948947, 19744735]

約数ペア:

[(1, 19744735), (5, 3948947), (17, 1161455), (85, 232291), (149, 132515), (745, 26503), (1559, 12665), (2533, 7795)]