19712909178

素因数分解:

$2^1\times 3^2\times {\mathrm{8089}}^1\times {\mathrm{135389}}^1$

素因数の和:143486

約数の個数: 24

約数和(自身を含む): 42716898900

約数和(自身を除く): 23003989722

約数列:

[1, 2, 3, 6, 9, 18, 8089, 16178, 24267, 48534, 72801, 135389, 145602, 270778, 406167, 812334, 1218501, 2437002, 1095161621, 2190323242, 3285484863, 6570969726, 9856454589, 19712909178]

約数ペア:

[(1, 19712909178), (2, 9856454589), (3, 6570969726), (6, 3285484863), (9, 2190323242), (18, 1095161621), (8089, 2437002), (16178, 1218501), (24267, 812334), (48534, 406167), (72801, 270778), (135389, 145602)]