18932720

素因数分解:

$2^4\times 5^1\times {\mathrm{236659}}^1$

素因数の和:236672

約数の個数: 20

約数和(自身を含む): 44018760

約数和(自身を除く): 25086040

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 236659, 473318, 946636, 1183295, 1893272, 2366590, 3786544, 4733180, 9466360, 18932720]

約数ペア:

[(1, 18932720), (2, 9466360), (4, 4733180), (5, 3786544), (8, 2366590), (10, 1893272), (16, 1183295), (20, 946636), (40, 473318), (80, 236659)]