18820672

素因数分解:

$2^6\times {\mathrm{13}}^1\times {\mathrm{22621}}^1$

素因数の和:22646

約数の個数: 28

約数和(自身を含む): 40221916

約数和(自身を除く): 21401244

約数列:

[1, 2, 4, 8, 13, 16, 26, 32, 52, 64, 104, 208, 416, 832, 22621, 45242, 90484, 180968, 294073, 361936, 588146, 723872, 1176292, 1447744, 2352584, 4705168, 9410336, 18820672]

約数ペア:

[(1, 18820672), (2, 9410336), (4, 4705168), (8, 2352584), (13, 1447744), (16, 1176292), (26, 723872), (32, 588146), (52, 361936), (64, 294073), (104, 180968), (208, 90484), (416, 45242), (832, 22621)]