19426841

素因数分解:

$7^1\times {\mathrm{43}}^1\times {\mathrm{233}}^1\times {\mathrm{277}}^1$

素因数の和:560

約数の個数: 16

約数和(自身を含む): 22898304

約数和(自身を除く): 3471463

約数列:

[1, 7, 43, 233, 277, 301, 1631, 1939, 10019, 11911, 64541, 70133, 83377, 451787, 2775263, 19426841]

約数ペア:

[(1, 19426841), (7, 2775263), (43, 451787), (233, 83377), (277, 70133), (301, 64541), (1631, 11911), (1939, 10019)]