19736054

素因数分解:

$2^1\times {\mathrm{13}}^1\times {\mathrm{43}}^1\times {\mathrm{127}}^1\times {\mathrm{139}}^1$

素因数の和:324

約数の個数: 32

約数和(自身を含む): 33116160

約数和(自身を除く): 13380106

約数列:

[1, 2, 13, 26, 43, 86, 127, 139, 254, 278, 559, 1118, 1651, 1807, 3302, 3614, 5461, 5977, 10922, 11954, 17653, 35306, 70993, 77701, 141986, 155402, 229489, 458978, 759079, 1518158, 9868027, 19736054]

約数ペア:

[(1, 19736054), (2, 9868027), (13, 1518158), (26, 759079), (43, 458978), (86, 229489), (127, 155402), (139, 141986), (254, 77701), (278, 70993), (559, 35306), (1118, 17653), (1651, 11954), (1807, 10922), (3302, 5977), (3614, 5461)]