19676655

素因数分解:

$3^3\times 5^1\times {\mathrm{145753}}^1$

素因数の和:145767

約数の個数: 16

約数和(自身を含む): 34980960

約数和(自身を除く): 15304305

約数列:

[1, 3, 5, 9, 15, 27, 45, 135, 145753, 437259, 728765, 1311777, 2186295, 3935331, 6558885, 19676655]

約数ペア:

[(1, 19676655), (3, 6558885), (5, 3935331), (9, 2186295), (15, 1311777), (27, 728765), (45, 437259), (135, 145753)]