18865035

素因数分解:

$3^3\times 5^1\times 7^1\times {\mathrm{19963}}^1$

素因数の和:19984

約数の個数: 32

約数和(自身を含む): 38330880

約数和(自身を除く): 19465845

約数列:

[1, 3, 5, 7, 9, 15, 21, 27, 35, 45, 63, 105, 135, 189, 315, 945, 19963, 59889, 99815, 139741, 179667, 299445, 419223, 539001, 698705, 898335, 1257669, 2096115, 2695005, 3773007, 6288345, 18865035]

約数ペア:

[(1, 18865035), (3, 6288345), (5, 3773007), (7, 2695005), (9, 2096115), (15, 1257669), (21, 898335), (27, 698705), (35, 539001), (45, 419223), (63, 299445), (105, 179667), (135, 139741), (189, 99815), (315, 59889), (945, 19963)]