19875447

素因数分解:

$3^2\times {\mathrm{41}}^1\times {\mathrm{61}}^1\times {\mathrm{883}}^1$

素因数の和:991

約数の個数: 24

約数和(自身を含む): 29925168

約数和(自身を除く): 10049721

約数列:

[1, 3, 9, 41, 61, 123, 183, 369, 549, 883, 2501, 2649, 7503, 7947, 22509, 36203, 53863, 108609, 161589, 325827, 484767, 2208383, 6625149, 19875447]

約数ペア:

[(1, 19875447), (3, 6625149), (9, 2208383), (41, 484767), (61, 325827), (123, 161589), (183, 108609), (369, 53863), (549, 36203), (883, 22509), (2501, 7947), (2649, 7503)]