19453527

素因数分解:

$3^4\times {\mathrm{37}}^1\times {\mathrm{6491}}^1$

素因数の和:6540

約数の個数: 20

約数和(自身を含む): 29850216

約数和(自身を除く): 10396689

約数列:

[1, 3, 9, 27, 37, 81, 111, 333, 999, 2997, 6491, 19473, 58419, 175257, 240167, 525771, 720501, 2161503, 6484509, 19453527]

約数ペア:

[(1, 19453527), (3, 6484509), (9, 2161503), (27, 720501), (37, 525771), (81, 240167), (111, 175257), (333, 58419), (999, 19473), (2997, 6491)]