18920099

素因数分解:

${\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{23}}^1\times {\mathrm{53}}^1\times {\mathrm{83}}^1$

素因数の和:187

約数の個数: 32

約数和(自身を含む): 23514624

約数和(自身を除く): 4594525

約数列:

[1, 11, 17, 23, 53, 83, 187, 253, 391, 583, 901, 913, 1219, 1411, 1909, 4301, 4399, 9911, 13409, 15521, 20723, 20999, 32453, 48389, 74783, 101177, 227953, 356983, 822613, 1112947, 1720009, 18920099]

約数ペア:

[(1, 18920099), (11, 1720009), (17, 1112947), (23, 822613), (53, 356983), (83, 227953), (187, 101177), (253, 74783), (391, 48389), (583, 32453), (901, 20999), (913, 20723), (1219, 15521), (1411, 13409), (1909, 9911), (4301, 4399)]