19171270

素因数分解:

$2^1\times 5^1\times {\mathrm{157}}^1\times {\mathrm{12211}}^1$

素因数の和:12375

約数の個数: 16

約数和(自身を含む): 34730928

約数和(自身を除く): 15559658

約数列:

[1, 2, 5, 10, 157, 314, 785, 1570, 12211, 24422, 61055, 122110, 1917127, 3834254, 9585635, 19171270]

約数ペア:

[(1, 19171270), (2, 9585635), (5, 3834254), (10, 1917127), (157, 122110), (314, 61055), (785, 24422), (1570, 12211)]