18428841

素因数分解:

$3^2\times {\mathrm{19}}^1\times {\mathrm{47}}^1\times {\mathrm{2293}}^1$

素因数の和:2365

約数の個数: 24

約数和(自身を含む): 28629120

約数和(自身を除く): 10200279

約数列:

[1, 3, 9, 19, 47, 57, 141, 171, 423, 893, 2293, 2679, 6879, 8037, 20637, 43567, 107771, 130701, 323313, 392103, 969939, 2047649, 6142947, 18428841]

約数ペア:

[(1, 18428841), (3, 6142947), (9, 2047649), (19, 969939), (47, 392103), (57, 323313), (141, 130701), (171, 107771), (423, 43567), (893, 20637), (2293, 8037), (2679, 6879)]