19980508

素因数分解:

$2^2\times {\mathrm{17}}^1\times {\mathrm{293831}}^1$

素因数の和:293852

約数の個数: 12

約数和(自身を含む): 37022832

約数和(自身を除く): 17042324

約数列:

[1, 2, 4, 17, 34, 68, 293831, 587662, 1175324, 4995127, 9990254, 19980508]

約数ペア:

[(1, 19980508), (2, 9990254), (4, 4995127), (17, 1175324), (34, 587662), (68, 293831)]