19768413

素因数分解:

$3^1\times 7^2\times {\mathrm{89}}^1\times {\mathrm{1511}}^1$

素因数の和:1617

約数の個数: 24

約数和(自身を含む): 31026240

約数和(自身を除く): 11257827

約数列:

[1, 3, 7, 21, 49, 89, 147, 267, 623, 1511, 1869, 4361, 4533, 10577, 13083, 31731, 74039, 134479, 222117, 403437, 941353, 2824059, 6589471, 19768413]

約数ペア:

[(1, 19768413), (3, 6589471), (7, 2824059), (21, 941353), (49, 403437), (89, 222117), (147, 134479), (267, 74039), (623, 31731), (1511, 13083), (1869, 10577), (4361, 4533)]