19009727

素因数分解:

${\mathrm{11}}^1\times {\mathrm{31}}^1\times {\mathrm{107}}^1\times {\mathrm{521}}^1$

素因数の和:670

約数の個数: 16

約数和(自身を含む): 21648384

約数和(自身を除く): 2638657

約数列:

[1, 11, 31, 107, 341, 521, 1177, 3317, 5731, 16151, 36487, 55747, 177661, 613217, 1728157, 19009727]

約数ペア:

[(1, 19009727), (11, 1728157), (31, 613217), (107, 177661), (341, 55747), (521, 36487), (1177, 16151), (3317, 5731)]