18895965116

素因数分解:

$2^2\times 7^1\times {\mathrm{29}}^1\times {\mathrm{103}}^1\times {\mathrm{225931}}^1$

素因数の和:226074

約数の個数: 48

約数和(自身を含む): 39474839040

約数和(自身を除く): 20578873924

約数列:

[1, 2, 4, 7, 14, 28, 29, 58, 103, 116, 203, 206, 406, 412, 721, 812, 1442, 2884, 2987, 5974, 11948, 20909, 41818, 83636, 225931, 451862, 903724, 1581517, 3163034, 6326068, 6551999, 13103998, 23270893, 26207996, 45863993, 46541786, 91727986, 93083572, 162896251, 183455972, 325792502, 651585004, 674855897, 1349711794, 2699423588, 4723991279, 9447982558, 18895965116]

約数ペア:

[(1, 18895965116), (2, 9447982558), (4, 4723991279), (7, 2699423588), (14, 1349711794), (28, 674855897), (29, 651585004), (58, 325792502), (103, 183455972), (116, 162896251), (203, 93083572), (206, 91727986), (406, 46541786), (412, 45863993), (721, 26207996), (812, 23270893), (1442, 13103998), (2884, 6551999), (2987, 6326068), (5974, 3163034), (11948, 1581517), (20909, 903724), (41818, 451862), (83636, 225931)]