19496824

素因数分解:

$2^3\times {\mathrm{17}}^1\times {\mathrm{23}}^2\times {\mathrm{271}}^1$

素因数の和:340

約数の個数: 48

約数和(自身を含む): 40612320

約数和(自身を除く): 21115496

約数列:

[1, 2, 4, 8, 17, 23, 34, 46, 68, 92, 136, 184, 271, 391, 529, 542, 782, 1058, 1084, 1564, 2116, 2168, 3128, 4232, 4607, 6233, 8993, 9214, 12466, 17986, 18428, 24932, 35972, 36856, 49864, 71944, 105961, 143359, 211922, 286718, 423844, 573436, 847688, 1146872, 2437103, 4874206, 9748412, 19496824]

約数ペア:

[(1, 19496824), (2, 9748412), (4, 4874206), (8, 2437103), (17, 1146872), (23, 847688), (34, 573436), (46, 423844), (68, 286718), (92, 211922), (136, 143359), (184, 105961), (271, 71944), (391, 49864), (529, 36856), (542, 35972), (782, 24932), (1058, 18428), (1084, 17986), (1564, 12466), (2116, 9214), (2168, 8993), (3128, 6233), (4232, 4607)]