19877458

素因数分解:

$2^1\times {\mathrm{19}}^1\times {\mathrm{109}}^1\times {\mathrm{4799}}^1$

素因数の和:4929

約数の個数: 16

約数和(自身を含む): 31680000

約数和(自身を除く): 11802542

約数列:

[1, 2, 19, 38, 109, 218, 2071, 4142, 4799, 9598, 91181, 182362, 523091, 1046182, 9938729, 19877458]

約数ペア:

[(1, 19877458), (2, 9938729), (19, 1046182), (38, 523091), (109, 182362), (218, 91181), (2071, 9598), (4142, 4799)]