19267388

素因数分解:

$2^2\times 7^2\times {\mathrm{197}}^1\times {\mathrm{499}}^1$

素因数の和:714

約数の個数: 36

約数和(自身を含む): 39501000

約数和(自身を除く): 20233612

約数列:

[1, 2, 4, 7, 14, 28, 49, 98, 196, 197, 394, 499, 788, 998, 1379, 1996, 2758, 3493, 5516, 6986, 9653, 13972, 19306, 24451, 38612, 48902, 97804, 98303, 196606, 393212, 688121, 1376242, 2752484, 4816847, 9633694, 19267388]

約数ペア:

[(1, 19267388), (2, 9633694), (4, 4816847), (7, 2752484), (14, 1376242), (28, 688121), (49, 393212), (98, 196606), (196, 98303), (197, 97804), (394, 48902), (499, 38612), (788, 24451), (998, 19306), (1379, 13972), (1996, 9653), (2758, 6986), (3493, 5516)]