18588213

素因数分解:

$3^2\times 7^1\times {\mathrm{19}}^1\times {\mathrm{53}}^1\times {\mathrm{293}}^1$

素因数の和:378

約数の個数: 48

約数和(自身を含む): 33022080

約数和(自身を除く): 14433867

約数列:

[1, 3, 7, 9, 19, 21, 53, 57, 63, 133, 159, 171, 293, 371, 399, 477, 879, 1007, 1113, 1197, 2051, 2637, 3021, 3339, 5567, 6153, 7049, 9063, 15529, 16701, 18459, 21147, 38969, 46587, 50103, 63441, 108703, 116907, 139761, 295051, 326109, 350721, 885153, 978327, 2065357, 2655459, 6196071, 18588213]

約数ペア:

[(1, 18588213), (3, 6196071), (7, 2655459), (9, 2065357), (19, 978327), (21, 885153), (53, 350721), (57, 326109), (63, 295051), (133, 139761), (159, 116907), (171, 108703), (293, 63441), (371, 50103), (399, 46587), (477, 38969), (879, 21147), (1007, 18459), (1113, 16701), (1197, 15529), (2051, 9063), (2637, 7049), (3021, 6153), (3339, 5567)]