19330389

素因数分解:

$3^2\times {\mathrm{13}}^2\times {\mathrm{71}}^1\times {\mathrm{179}}^1$

素因数の和:282

約数の個数: 36

約数和(自身を含む): 30831840

約数和(自身を除く): 11501451

約数列:

[1, 3, 9, 13, 39, 71, 117, 169, 179, 213, 507, 537, 639, 923, 1521, 1611, 2327, 2769, 6981, 8307, 11999, 12709, 20943, 30251, 35997, 38127, 90753, 107991, 114381, 165217, 272259, 495651, 1486953, 2147821, 6443463, 19330389]

約数ペア:

[(1, 19330389), (3, 6443463), (9, 2147821), (13, 1486953), (39, 495651), (71, 272259), (117, 165217), (169, 114381), (179, 107991), (213, 90753), (507, 38127), (537, 35997), (639, 30251), (923, 20943), (1521, 12709), (1611, 11999), (2327, 8307), (2769, 6981)]