19936605

素因数分解:

$3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{5381}}^1$

素因数の和:5421

約数の個数: 32

約数和(自身を含む): 36167040

約数和(自身を除く): 16230435

約数列:

[1, 3, 5, 13, 15, 19, 39, 57, 65, 95, 195, 247, 285, 741, 1235, 3705, 5381, 16143, 26905, 69953, 80715, 102239, 209859, 306717, 349765, 511195, 1049295, 1329107, 1533585, 3987321, 6645535, 19936605]

約数ペア:

[(1, 19936605), (3, 6645535), (5, 3987321), (13, 1533585), (15, 1329107), (19, 1049295), (39, 511195), (57, 349765), (65, 306717), (95, 209859), (195, 102239), (247, 80715), (285, 69953), (741, 26905), (1235, 16143), (3705, 5381)]