19967184

素因数分解:

$2^4\times 3^2\times {\mathrm{138661}}^1$

素因数の和:138675

約数の個数: 30

約数和(自身を含む): 55880786

約数和(自身を除く): 35913602

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 16, 18, 24, 36, 48, 72, 144, 138661, 277322, 415983, 554644, 831966, 1109288, 1247949, 1663932, 2218576, 2495898, 3327864, 4991796, 6655728, 9983592, 19967184]

約数ペア:

[(1, 19967184), (2, 9983592), (3, 6655728), (4, 4991796), (6, 3327864), (8, 2495898), (9, 2218576), (12, 1663932), (16, 1247949), (18, 1109288), (24, 831966), (36, 554644), (48, 415983), (72, 277322), (144, 138661)]