19420247

素因数分解:

$7^1\times {\mathrm{11}}^1\times {\mathrm{179}}^1\times {\mathrm{1409}}^1$

素因数の和:1606

約数の個数: 16

約数和(自身を含む): 24364800

約数和(自身を除く): 4944553

約数列:

[1, 7, 11, 77, 179, 1253, 1409, 1969, 9863, 13783, 15499, 108493, 252211, 1765477, 2774321, 19420247]

約数ペア:

[(1, 19420247), (7, 2774321), (11, 1765477), (77, 252211), (179, 108493), (1253, 15499), (1409, 13783), (1969, 9863)]