19702755

素因数分解:

$3^2\times 5^1\times {\mathrm{41}}^1\times {\mathrm{59}}^1\times {\mathrm{181}}^1$

素因数の和:292

約数の個数: 48

約数和(自身を含む): 35773920

約数和(自身を除く): 16071165

約数列:

[1, 3, 5, 9, 15, 41, 45, 59, 123, 177, 181, 205, 295, 369, 531, 543, 615, 885, 905, 1629, 1845, 2419, 2655, 2715, 7257, 7421, 8145, 10679, 12095, 21771, 22263, 32037, 36285, 37105, 53395, 66789, 96111, 108855, 111315, 160185, 333945, 437839, 480555, 1313517, 2189195, 3940551, 6567585, 19702755]

約数ペア:

[(1, 19702755), (3, 6567585), (5, 3940551), (9, 2189195), (15, 1313517), (41, 480555), (45, 437839), (59, 333945), (123, 160185), (177, 111315), (181, 108855), (205, 96111), (295, 66789), (369, 53395), (531, 37105), (543, 36285), (615, 32037), (885, 22263), (905, 21771), (1629, 12095), (1845, 10679), (2419, 8145), (2655, 7421), (2715, 7257)]