19800754

素因数分解:

$2^1\times {\mathrm{31}}^1\times {\mathrm{59}}^1\times {\mathrm{5413}}^1$

素因数の和:5505

約数の個数: 16

約数和(自身を含む): 31184640

約数和(自身を除く): 11383886

約数列:

[1, 2, 31, 59, 62, 118, 1829, 3658, 5413, 10826, 167803, 319367, 335606, 638734, 9900377, 19800754]

約数ペア:

[(1, 19800754), (2, 9900377), (31, 638734), (59, 335606), (62, 319367), (118, 167803), (1829, 10826), (3658, 5413)]