19209229

素因数分解:

${\mathrm{13}}^1\times {\mathrm{47}}^1\times {\mathrm{149}}^1\times {\mathrm{211}}^1$

素因数の和:420

約数の個数: 16

約数和(自身を含む): 21369600

約数和(自身を除く): 2160371

約数列:

[1, 13, 47, 149, 211, 611, 1937, 2743, 7003, 9917, 31439, 91039, 128921, 408707, 1477633, 19209229]

約数ペア:

[(1, 19209229), (13, 1477633), (47, 408707), (149, 128921), (211, 91039), (611, 31439), (1937, 9917), (2743, 7003)]