19017232

素因数分解:

$2^4\times {\mathrm{13}}^3\times {\mathrm{541}}^1$

素因数の和:588

約数の個数: 40

約数和(自身を含む): 39988760

約数和(自身を除く): 20971528

約数列:

[1, 2, 4, 8, 13, 16, 26, 52, 104, 169, 208, 338, 541, 676, 1082, 1352, 2164, 2197, 2704, 4328, 4394, 7033, 8656, 8788, 14066, 17576, 28132, 35152, 56264, 91429, 112528, 182858, 365716, 731432, 1188577, 1462864, 2377154, 4754308, 9508616, 19017232]

約数ペア:

[(1, 19017232), (2, 9508616), (4, 4754308), (8, 2377154), (13, 1462864), (16, 1188577), (26, 731432), (52, 365716), (104, 182858), (169, 112528), (208, 91429), (338, 56264), (541, 35152), (676, 28132), (1082, 17576), (1352, 14066), (2164, 8788), (2197, 8656), (2704, 7033), (4328, 4394)]