19689165

素因数分解:

$3^2\times 5^1\times {\mathrm{197}}^1\times {\mathrm{2221}}^1$

素因数の和:2429

約数の個数: 24

約数和(自身を含む): 34316568

約数和(自身を除く): 14627403

約数列:

[1, 3, 5, 9, 15, 45, 197, 591, 985, 1773, 2221, 2955, 6663, 8865, 11105, 19989, 33315, 99945, 437537, 1312611, 2187685, 3937833, 6563055, 19689165]

約数ペア:

[(1, 19689165), (3, 6563055), (5, 3937833), (9, 2187685), (15, 1312611), (45, 437537), (197, 99945), (591, 33315), (985, 19989), (1773, 11105), (2221, 8865), (2955, 6663)]