19810038352

素因数分解:

$2^4\times {\mathrm{13}}^1\times {\mathrm{1051}}^1\times {\mathrm{90619}}^1$

素因数の和:91691

約数の個数: 40

約数和(自身を含む): 41374192160

約数和(自身を除く): 21564153808

約数列:

[1, 2, 4, 8, 13, 16, 26, 52, 104, 208, 1051, 2102, 4204, 8408, 13663, 16816, 27326, 54652, 90619, 109304, 181238, 218608, 362476, 724952, 1178047, 1449904, 2356094, 4712188, 9424376, 18848752, 95240569, 190481138, 380962276, 761924552, 1238127397, 1523849104, 2476254794, 4952509588, 9905019176, 19810038352]

約数ペア:

[(1, 19810038352), (2, 9905019176), (4, 4952509588), (8, 2476254794), (13, 1523849104), (16, 1238127397), (26, 761924552), (52, 380962276), (104, 190481138), (208, 95240569), (1051, 18848752), (2102, 9424376), (4204, 4712188), (8408, 2356094), (13663, 1449904), (16816, 1178047), (27326, 724952), (54652, 362476), (90619, 218608), (109304, 181238)]