19727847

素因数分解:

$3^3\times {\mathrm{41}}^1\times {\mathrm{71}}^1\times {\mathrm{251}}^1$

素因数の和:372

約数の個数: 32

約数和(自身を含む): 30481920

約数和(自身を除く): 10754073

約数列:

[1, 3, 9, 27, 41, 71, 123, 213, 251, 369, 639, 753, 1107, 1917, 2259, 2911, 6777, 8733, 10291, 17821, 26199, 30873, 53463, 78597, 92619, 160389, 277857, 481167, 730661, 2191983, 6575949, 19727847]

約数ペア:

[(1, 19727847), (3, 6575949), (9, 2191983), (27, 730661), (41, 481167), (71, 277857), (123, 160389), (213, 92619), (251, 78597), (369, 53463), (639, 30873), (753, 26199), (1107, 17821), (1917, 10291), (2259, 8733), (2911, 6777)]