19902226

素因数分解:

$2^1\times {\mathrm{37}}^1\times {\mathrm{61}}^1\times {\mathrm{4409}}^1$

素因数の和:4509

約数の個数: 16

約数和(自身を含む): 31169880

約数和(自身を除く): 11267654

約数列:

[1, 2, 37, 61, 74, 122, 2257, 4409, 4514, 8818, 163133, 268949, 326266, 537898, 9951113, 19902226]

約数ペア:

[(1, 19902226), (2, 9951113), (37, 537898), (61, 326266), (74, 268949), (122, 163133), (2257, 8818), (4409, 4514)]