19666113

素因数分解:

$3^1\times {\mathrm{131}}^1\times {\mathrm{163}}^1\times {\mathrm{307}}^1$

素因数の和:604

約数の個数: 16

約数和(自身を含む): 26670336

約数和(自身を除く): 7004223

約数列:

[1, 3, 131, 163, 307, 393, 489, 921, 21353, 40217, 50041, 64059, 120651, 150123, 6555371, 19666113]

約数ペア:

[(1, 19666113), (3, 6555371), (131, 150123), (163, 120651), (307, 64059), (393, 50041), (489, 40217), (921, 21353)]