19657864

素因数分解:

$2^3\times {\mathrm{353}}^1\times {\mathrm{6961}}^1$

素因数の和:7320

約数の個数: 16

約数和(自身を含む): 36968220

約数和(自身を除く): 17310356

約数列:

[1, 2, 4, 8, 353, 706, 1412, 2824, 6961, 13922, 27844, 55688, 2457233, 4914466, 9828932, 19657864]

約数ペア:

[(1, 19657864), (2, 9828932), (4, 4914466), (8, 2457233), (353, 55688), (706, 27844), (1412, 13922), (2824, 6961)]