19731387

素因数分解:

$3^1\times {\mathrm{13}}^1\times {\mathrm{409}}^1\times {\mathrm{1237}}^1$

素因数の和:1662

約数の個数: 16

約数和(自身を含む): 28424480

約数和(自身を除く): 8693093

約数列:

[1, 3, 13, 39, 409, 1227, 1237, 3711, 5317, 15951, 16081, 48243, 505933, 1517799, 6577129, 19731387]

約数ペア:

[(1, 19731387), (3, 6577129), (13, 1517799), (39, 505933), (409, 48243), (1227, 16081), (1237, 15951), (3711, 5317)]