19372847

素因数分解:

${\mathrm{13}}^1\times {\mathrm{71}}^1\times {\mathrm{139}}^1\times {\mathrm{151}}^1$

素因数の和:374

約数の個数: 16

約数和(自身を含む): 21450240

約数和(自身を除く): 2077393

約数列:

[1, 13, 71, 139, 151, 923, 1807, 1963, 9869, 10721, 20989, 128297, 139373, 272857, 1490219, 19372847]

約数ペア:

[(1, 19372847), (13, 1490219), (71, 272857), (139, 139373), (151, 128297), (923, 20989), (1807, 10721), (1963, 9869)]