18540392

素因数分解:

$2^3\times {\mathrm{13}}^1\times {\mathrm{23}}^2\times {\mathrm{337}}^1$

素因数の和:402

約数の個数: 48

約数和(自身を含む): 39251940

約数和(自身を除く): 20711548

約数列:

[1, 2, 4, 8, 13, 23, 26, 46, 52, 92, 104, 184, 299, 337, 529, 598, 674, 1058, 1196, 1348, 2116, 2392, 2696, 4232, 4381, 6877, 7751, 8762, 13754, 15502, 17524, 27508, 31004, 35048, 55016, 62008, 100763, 178273, 201526, 356546, 403052, 713092, 806104, 1426184, 2317549, 4635098, 9270196, 18540392]

約数ペア:

[(1, 18540392), (2, 9270196), (4, 4635098), (8, 2317549), (13, 1426184), (23, 806104), (26, 713092), (46, 403052), (52, 356546), (92, 201526), (104, 178273), (184, 100763), (299, 62008), (337, 55016), (529, 35048), (598, 31004), (674, 27508), (1058, 17524), (1196, 15502), (1348, 13754), (2116, 8762), (2392, 7751), (2696, 6877), (4232, 4381)]