198638198

素因数分解:

$2^1\times {\mathrm{11}}^2\times {\mathrm{19}}^1\times {\mathrm{43201}}^1$

素因数の和:43244

約数の個数: 24

約数和(自身を含む): 344751960

約数和(自身を除く): 146113762

約数列:

[1, 2, 11, 19, 22, 38, 121, 209, 242, 418, 2299, 4598, 43201, 86402, 475211, 820819, 950422, 1641638, 5227321, 9029009, 10454642, 18058018, 99319099, 198638198]

約数ペア:

[(1, 198638198), (2, 99319099), (11, 18058018), (19, 10454642), (22, 9029009), (38, 5227321), (121, 1641638), (209, 950422), (242, 820819), (418, 475211), (2299, 86402), (4598, 43201)]