19112979

素因数分解:

$3^1\times {\mathrm{37}}^1\times {\mathrm{409}}^1\times {\mathrm{421}}^1$

素因数の和:870

約数の個数: 16

約数和(自身を含む): 26299040

約数和(自身を除く): 7186061

約数列:

[1, 3, 37, 111, 409, 421, 1227, 1263, 15133, 15577, 45399, 46731, 172189, 516567, 6370993, 19112979]

約数ペア:

[(1, 19112979), (3, 6370993), (37, 516567), (111, 172189), (409, 46731), (421, 45399), (1227, 15577), (1263, 15133)]