19662416

素因数分解:

$2^4\times {\mathrm{19}}^1\times {\mathrm{64679}}^1$

素因数の和:64706

約数の個数: 20

約数和(自身を含む): 40101600

約数和(自身を除く): 20439184

約数列:

[1, 2, 4, 8, 16, 19, 38, 76, 152, 304, 64679, 129358, 258716, 517432, 1034864, 1228901, 2457802, 4915604, 9831208, 19662416]

約数ペア:

[(1, 19662416), (2, 9831208), (4, 4915604), (8, 2457802), (16, 1228901), (19, 1034864), (38, 517432), (76, 258716), (152, 129358), (304, 64679)]