18376520

素因数分解:

$2^3\times 5^1\times {\mathrm{433}}^1\times {\mathrm{1061}}^1$

素因数の和:1505

約数の個数: 32

約数和(自身を含む): 41481720

約数和(自身を除く): 23105200

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 433, 866, 1061, 1732, 2122, 2165, 3464, 4244, 4330, 5305, 8488, 8660, 10610, 17320, 21220, 42440, 459413, 918826, 1837652, 2297065, 3675304, 4594130, 9188260, 18376520]

約数ペア:

[(1, 18376520), (2, 9188260), (4, 4594130), (5, 3675304), (8, 2297065), (10, 1837652), (20, 918826), (40, 459413), (433, 42440), (866, 21220), (1061, 17320), (1732, 10610), (2122, 8660), (2165, 8488), (3464, 5305), (4244, 4330)]