19378678

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{67}}^1\times {\mathrm{13147}}^1$

素因数の和:13227

約数の個数: 16

約数和(自身を含む): 32186304

約数和(自身を除く): 12807626

約数列:

[1, 2, 11, 22, 67, 134, 737, 1474, 13147, 26294, 144617, 289234, 880849, 1761698, 9689339, 19378678]

約数ペア:

[(1, 19378678), (2, 9689339), (11, 1761698), (22, 880849), (67, 289234), (134, 144617), (737, 26294), (1474, 13147)]