72321904

素因数分解:

$2^4\times {\mathrm{19}}^1\times {\mathrm{237901}}^1$

素因数の和:237928

約数の個数: 20

約数和(自身を含む): 147499240

約数和(自身を除く): 75177336

約数列:

[1, 2, 4, 8, 16, 19, 38, 76, 152, 304, 237901, 475802, 951604, 1903208, 3806416, 4520119, 9040238, 18080476, 36160952, 72321904]

約数ペア:

[(1, 72321904), (2, 36160952), (4, 18080476), (8, 9040238), (16, 4520119), (19, 3806416), (38, 1903208), (76, 951604), (152, 475802), (304, 237901)]