199417844

素因数分解:

$2^2\times {\mathrm{19}}^2\times {\mathrm{138101}}^1$

素因数の和:138143

約数の個数: 18

約数和(自身を含む): 368318034

約数和(自身を除く): 168900190

約数列:

[1, 2, 4, 19, 38, 76, 361, 722, 1444, 138101, 276202, 552404, 2623919, 5247838, 10495676, 49854461, 99708922, 199417844]

約数ペア:

[(1, 199417844), (2, 99708922), (4, 49854461), (19, 10495676), (38, 5247838), (76, 2623919), (361, 552404), (722, 276202), (1444, 138101)]