18995301

素因数分解:

$3^2\times {\mathrm{13}}^1\times {\mathrm{179}}^1\times {\mathrm{907}}^1$

素因数の和:1105

約数の個数: 24

約数和(自身を含む): 29746080

約数和(自身を除く): 10750779

約数列:

[1, 3, 9, 13, 39, 117, 179, 537, 907, 1611, 2327, 2721, 6981, 8163, 11791, 20943, 35373, 106119, 162353, 487059, 1461177, 2110589, 6331767, 18995301]

約数ペア:

[(1, 18995301), (3, 6331767), (9, 2110589), (13, 1461177), (39, 487059), (117, 162353), (179, 106119), (537, 35373), (907, 20943), (1611, 11791), (2327, 8163), (2721, 6981)]