18771698

素因数分解:

$2^1\times {\mathrm{11}}^2\times {\mathrm{77569}}^1$

素因数の和:77593

約数の個数: 12

約数和(自身を含む): 30950430

約数和(自身を除く): 12178732

約数列:

[1, 2, 11, 22, 121, 242, 77569, 155138, 853259, 1706518, 9385849, 18771698]

約数ペア:

[(1, 18771698), (2, 9385849), (11, 1706518), (22, 853259), (121, 155138), (242, 77569)]