31379792

素因数分解:

$2^4\times {\mathrm{19}}^1\times {\mathrm{109}}^1\times {\mathrm{947}}^1$

素因数の和:1083

約数の個数: 40

約数和(自身を含む): 64653600

約数和(自身を除く): 33273808

約数列:

[1, 2, 4, 8, 16, 19, 38, 76, 109, 152, 218, 304, 436, 872, 947, 1744, 1894, 2071, 3788, 4142, 7576, 8284, 15152, 16568, 17993, 33136, 35986, 71972, 103223, 143944, 206446, 287888, 412892, 825784, 1651568, 1961237, 3922474, 7844948, 15689896, 31379792]

約数ペア:

[(1, 31379792), (2, 15689896), (4, 7844948), (8, 3922474), (16, 1961237), (19, 1651568), (38, 825784), (76, 412892), (109, 287888), (152, 206446), (218, 143944), (304, 103223), (436, 71972), (872, 35986), (947, 33136), (1744, 17993), (1894, 16568), (2071, 15152), (3788, 8284), (4142, 7576)]