19886544

素因数分解:

$2^4\times 3^2\times {\mathrm{138101}}^1$

素因数の和:138115

約数の個数: 30

約数和(自身を含む): 55655106

約数和(自身を除く): 35768562

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 16, 18, 24, 36, 48, 72, 144, 138101, 276202, 414303, 552404, 828606, 1104808, 1242909, 1657212, 2209616, 2485818, 3314424, 4971636, 6628848, 9943272, 19886544]

約数ペア:

[(1, 19886544), (2, 9943272), (3, 6628848), (4, 4971636), (6, 3314424), (8, 2485818), (9, 2209616), (12, 1657212), (16, 1242909), (18, 1104808), (24, 828606), (36, 552404), (48, 414303), (72, 276202), (144, 138101)]