18621885

素因数分解:

$3^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{103}}^1\times {\mathrm{709}}^1$

素因数の和:837

約数の個数: 32

約数和(自身を含む): 31898880

約数和(自身を除く): 13276995

約数列:

[1, 3, 5, 15, 17, 51, 85, 103, 255, 309, 515, 709, 1545, 1751, 2127, 3545, 5253, 8755, 10635, 12053, 26265, 36159, 60265, 73027, 180795, 219081, 365135, 1095405, 1241459, 3724377, 6207295, 18621885]

約数ペア:

[(1, 18621885), (3, 6207295), (5, 3724377), (15, 1241459), (17, 1095405), (51, 365135), (85, 219081), (103, 180795), (255, 73027), (309, 60265), (515, 36159), (709, 26265), (1545, 12053), (1751, 10635), (2127, 8755), (3545, 5253)]