19305209

素因数分解:

$7^1\times {\mathrm{11}}^1\times {\mathrm{409}}^1\times {\mathrm{613}}^1$

素因数の和:1040

約数の個数: 16

約数和(自身を含む): 24167040

約数和(自身を除く): 4861831

約数列:

[1, 7, 11, 77, 409, 613, 2863, 4291, 4499, 6743, 31493, 47201, 250717, 1755019, 2757887, 19305209]

約数ペア:

[(1, 19305209), (7, 2757887), (11, 1755019), (77, 250717), (409, 47201), (613, 31493), (2863, 6743), (4291, 4499)]