19345921

素因数分解:

$7^1\times {\mathrm{23}}^1\times {\mathrm{107}}^1\times {\mathrm{1123}}^1$

素因数の和:1260

約数の個数: 16

約数和(自身を含む): 23307264

約数和(自身を除く): 3961343

約数列:

[1, 7, 23, 107, 161, 749, 1123, 2461, 7861, 17227, 25829, 120161, 180803, 841127, 2763703, 19345921]

約数ペア:

[(1, 19345921), (7, 2763703), (23, 841127), (107, 180803), (161, 120161), (749, 25829), (1123, 17227), (2461, 7861)]