19220877

素因数分解:

$3^2\times {\mathrm{13}}^2\times {\mathrm{12637}}^1$

素因数の和:12669

約数の個数: 18

約数和(自身を含む): 30065802

約数和(自身を除く): 10844925

約数列:

[1, 3, 9, 13, 39, 117, 169, 507, 1521, 12637, 37911, 113733, 164281, 492843, 1478529, 2135653, 6406959, 19220877]

約数ペア:

[(1, 19220877), (3, 6406959), (9, 2135653), (13, 1478529), (39, 492843), (117, 164281), (169, 113733), (507, 37911), (1521, 12637)]