19291286

素因数分解:

$2^1\times 7^1\times {\mathrm{643}}^1\times {\mathrm{2143}}^1$

素因数の和:2795

約数の個数: 16

約数和(自身を含む): 33137664

約数和(自身を除く): 13846378

約数列:

[1, 2, 7, 14, 643, 1286, 2143, 4286, 4501, 9002, 15001, 30002, 1377949, 2755898, 9645643, 19291286]

約数ペア:

[(1, 19291286), (2, 9645643), (7, 2755898), (14, 1377949), (643, 30002), (1286, 15001), (2143, 9002), (4286, 4501)]