19556841

素因数分解:

$3^1\times {\mathrm{47}}^1\times {\mathrm{53}}^1\times {\mathrm{2617}}^1$

素因数の和:2720

約数の個数: 16

約数和(自身を含む): 27143424

約数和(自身を除く): 7586583

約数列:

[1, 3, 47, 53, 141, 159, 2491, 2617, 7473, 7851, 122999, 138701, 368997, 416103, 6518947, 19556841]

約数ペア:

[(1, 19556841), (3, 6518947), (47, 416103), (53, 368997), (141, 138701), (159, 122999), (2491, 7851), (2617, 7473)]