18693609

素因数分解:

$3^1\times {\mathrm{11}}^1\times {\mathrm{109}}^1\times {\mathrm{5197}}^1$

素因数の和:5320

約数の個数: 16

約数和(自身を含む): 27445440

約数和(自身を除く): 8751831

約数列:

[1, 3, 11, 33, 109, 327, 1199, 3597, 5197, 15591, 57167, 171501, 566473, 1699419, 6231203, 18693609]

約数ペア:

[(1, 18693609), (3, 6231203), (11, 1699419), (33, 566473), (109, 171501), (327, 57167), (1199, 15591), (3597, 5197)]