31880176

素因数分解:

$2^4\times {\mathrm{19}}^1\times {\mathrm{104869}}^1$

素因数の和:104896

約数の個数: 20

約数和(自身を含む): 65019400

約数和(自身を除く): 33139224

約数列:

[1, 2, 4, 8, 16, 19, 38, 76, 152, 304, 104869, 209738, 419476, 838952, 1677904, 1992511, 3985022, 7970044, 15940088, 31880176]

約数ペア:

[(1, 31880176), (2, 15940088), (4, 7970044), (8, 3985022), (16, 1992511), (19, 1677904), (38, 838952), (76, 419476), (152, 209738), (304, 104869)]