18668336

素因数分解:

$2^4\times {\mathrm{19}}^1\times {\mathrm{61409}}^1$

素因数の和:61436

約数の個数: 20

約数和(自身を含む): 38074200

約数和(自身を除く): 19405864

約数列:

[1, 2, 4, 8, 16, 19, 38, 76, 152, 304, 61409, 122818, 245636, 491272, 982544, 1166771, 2333542, 4667084, 9334168, 18668336]

約数ペア:

[(1, 18668336), (2, 9334168), (4, 4667084), (8, 2333542), (16, 1166771), (19, 982544), (38, 491272), (76, 245636), (152, 122818), (304, 61409)]