197280724

素因数分解:

$2^2\times {\mathrm{19}}^2\times {\mathrm{136621}}^1$

素因数の和:136663

約数の個数: 18

約数和(自身を含む): 364370874

約数和(自身を除く): 167090150

約数列:

[1, 2, 4, 19, 38, 76, 361, 722, 1444, 136621, 273242, 546484, 2595799, 5191598, 10383196, 49320181, 98640362, 197280724]

約数ペア:

[(1, 197280724), (2, 98640362), (4, 49320181), (19, 10383196), (38, 5191598), (76, 2595799), (361, 546484), (722, 273242), (1444, 136621)]