19377655

素因数分解:

$5^1\times {\mathrm{11}}^1\times {\mathrm{29}}^1\times {\mathrm{12149}}^1$

素因数の和:12194

約数の個数: 16

約数和(自身を含む): 26244000

約数和(自身を除く): 6866345

約数列:

[1, 5, 11, 29, 55, 145, 319, 1595, 12149, 60745, 133639, 352321, 668195, 1761605, 3875531, 19377655]

約数ペア:

[(1, 19377655), (5, 3875531), (11, 1761605), (29, 668195), (55, 352321), (145, 133639), (319, 60745), (1595, 12149)]