19661619

素因数分解:

$3^1\times {\mathrm{23}}^1\times {\mathrm{67}}^1\times {\mathrm{4253}}^1$

素因数の和:4346

約数の個数: 16

約数和(自身を含む): 27770112

約数和(自身を除く): 8108493

約数列:

[1, 3, 23, 67, 69, 201, 1541, 4253, 4623, 12759, 97819, 284951, 293457, 854853, 6553873, 19661619]

約数ペア:

[(1, 19661619), (3, 6553873), (23, 854853), (67, 293457), (69, 284951), (201, 97819), (1541, 12759), (4253, 4623)]