72921392

素因数分解:

$2^4\times {\mathrm{19}}^1\times {\mathrm{239873}}^1$

素因数の和:239900

約数の個数: 20

約数和(自身を含む): 148721880

約数和(自身を除く): 75800488

約数列:

[1, 2, 4, 8, 16, 19, 38, 76, 152, 304, 239873, 479746, 959492, 1918984, 3837968, 4557587, 9115174, 18230348, 36460696, 72921392]

約数ペア:

[(1, 72921392), (2, 36460696), (4, 18230348), (8, 9115174), (16, 4557587), (19, 3837968), (38, 1918984), (76, 959492), (152, 479746), (304, 239873)]