19420164

素因数分解:

$2^2\times 3^2\times {\mathrm{539449}}^1$

素因数の和:539459

約数の個数: 18

約数和(自身を含む): 49089950

約数和(自身を除く): 29669786

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 36, 539449, 1078898, 1618347, 2157796, 3236694, 4855041, 6473388, 9710082, 19420164]

約数ペア:

[(1, 19420164), (2, 9710082), (3, 6473388), (4, 4855041), (6, 3236694), (9, 2157796), (12, 1618347), (18, 1078898), (36, 539449)]