19606928

素因数分解:

$2^4\times {\mathrm{11}}^1\times {\mathrm{101}}^1\times {\mathrm{1103}}^1$

素因数の和:1223

約数の個数: 40

約数和(自身を含む): 41890176

約数和(自身を除く): 22283248

約数列:

[1, 2, 4, 8, 11, 16, 22, 44, 88, 101, 176, 202, 404, 808, 1103, 1111, 1616, 2206, 2222, 4412, 4444, 8824, 8888, 12133, 17648, 17776, 24266, 48532, 97064, 111403, 194128, 222806, 445612, 891224, 1225433, 1782448, 2450866, 4901732, 9803464, 19606928]

約数ペア:

[(1, 19606928), (2, 9803464), (4, 4901732), (8, 2450866), (11, 1782448), (16, 1225433), (22, 891224), (44, 445612), (88, 222806), (101, 194128), (176, 111403), (202, 97064), (404, 48532), (808, 24266), (1103, 17776), (1111, 17648), (1616, 12133), (2206, 8888), (2222, 8824), (4412, 4444)]