19706655

素因数分解:

$3^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{109}}^1\times {\mathrm{709}}^1$

素因数の和:843

約数の個数: 32

約数和(自身を含む): 33739200

約数和(自身を除く): 14032545

約数列:

[1, 3, 5, 15, 17, 51, 85, 109, 255, 327, 545, 709, 1635, 1853, 2127, 3545, 5559, 9265, 10635, 12053, 27795, 36159, 60265, 77281, 180795, 231843, 386405, 1159215, 1313777, 3941331, 6568885, 19706655]

約数ペア:

[(1, 19706655), (3, 6568885), (5, 3941331), (15, 1313777), (17, 1159215), (51, 386405), (85, 231843), (109, 180795), (255, 77281), (327, 60265), (545, 36159), (709, 27795), (1635, 12053), (1853, 10635), (2127, 9265), (3545, 5559)]