19768947

素因数分解:

$3^1\times {\mathrm{11}}^1\times {\mathrm{53}}^1\times {\mathrm{89}}^1\times {\mathrm{127}}^1$

素因数の和:283

約数の個数: 32

約数和(自身を含む): 29859840

約数和(自身を除く): 10090893

約数列:

[1, 3, 11, 33, 53, 89, 127, 159, 267, 381, 583, 979, 1397, 1749, 2937, 4191, 4717, 6731, 11303, 14151, 20193, 33909, 51887, 74041, 124333, 155661, 222123, 372999, 599059, 1797177, 6589649, 19768947]

約数ペア:

[(1, 19768947), (3, 6589649), (11, 1797177), (33, 599059), (53, 372999), (89, 222123), (127, 155661), (159, 124333), (267, 74041), (381, 51887), (583, 33909), (979, 20193), (1397, 14151), (1749, 11303), (2937, 6731), (4191, 4717)]