18760412

素因数分解:

$2^2\times {\mathrm{11}}^1\times {\mathrm{647}}^1\times {\mathrm{659}}^1$

素因数の和:1321

約数の個数: 24

約数和(自身を含む): 35925120

約数和(自身を除く): 17164708

約数列:

[1, 2, 4, 11, 22, 44, 647, 659, 1294, 1318, 2588, 2636, 7117, 7249, 14234, 14498, 28468, 28996, 426373, 852746, 1705492, 4690103, 9380206, 18760412]

約数ペア:

[(1, 18760412), (2, 9380206), (4, 4690103), (11, 1705492), (22, 852746), (44, 426373), (647, 28996), (659, 28468), (1294, 14498), (1318, 14234), (2588, 7249), (2636, 7117)]