11986964

素因数分解:

$2^2\times {\mathrm{11}}^1\times {\mathrm{37}}^2\times {\mathrm{199}}^1$

素因数の和:288

約数の個数: 36

約数和(自身を含む): 23637600

約数和(自身を除く): 11650636

約数列:

[1, 2, 4, 11, 22, 37, 44, 74, 148, 199, 398, 407, 796, 814, 1369, 1628, 2189, 2738, 4378, 5476, 7363, 8756, 14726, 15059, 29452, 30118, 60236, 80993, 161986, 272431, 323972, 544862, 1089724, 2996741, 5993482, 11986964]

約数ペア:

[(1, 11986964), (2, 5993482), (4, 2996741), (11, 1089724), (22, 544862), (37, 323972), (44, 272431), (74, 161986), (148, 80993), (199, 60236), (398, 30118), (407, 29452), (796, 15059), (814, 14726), (1369, 8756), (1628, 7363), (2189, 5476), (2738, 4378)]