19769734

素因数分解:

$2^1\times {\mathrm{61}}^1\times {\mathrm{131}}^1\times {\mathrm{1237}}^1$

素因数の和:1431

約数の個数: 16

約数和(自身を含む): 30395376

約数和(自身を除く): 10625642

約数列:

[1, 2, 61, 122, 131, 262, 1237, 2474, 7991, 15982, 75457, 150914, 162047, 324094, 9884867, 19769734]

約数ペア:

[(1, 19769734), (2, 9884867), (61, 324094), (122, 162047), (131, 150914), (262, 75457), (1237, 15982), (2474, 7991)]