19969598

素因数分解:

$2^1\times {\mathrm{11}}^2\times {\mathrm{179}}^1\times {\mathrm{461}}^1$

素因数の和:664

約数の個数: 24

約数和(自身を含む): 33180840

約数和(自身を除く): 13211242

約数列:

[1, 2, 11, 22, 121, 179, 242, 358, 461, 922, 1969, 3938, 5071, 10142, 21659, 43318, 55781, 82519, 111562, 165038, 907709, 1815418, 9984799, 19969598]

約数ペア:

[(1, 19969598), (2, 9984799), (11, 1815418), (22, 907709), (121, 165038), (179, 111562), (242, 82519), (358, 55781), (461, 43318), (922, 21659), (1969, 10142), (3938, 5071)]