18042899

素因数分解:

$7^1\times {\mathrm{17}}^1\times {\mathrm{31}}^1\times {\mathrm{67}}^1\times {\mathrm{73}}^1$

素因数の和:195

約数の個数: 32

約数和(自身を含む): 23187456

約数和(自身を除く): 5144557

約数列:

[1, 7, 17, 31, 67, 73, 119, 217, 469, 511, 527, 1139, 1241, 2077, 2263, 3689, 4891, 7973, 8687, 14539, 15841, 34237, 35309, 38471, 83147, 151621, 247163, 269297, 582029, 1061347, 2577557, 18042899]

約数ペア:

[(1, 18042899), (7, 2577557), (17, 1061347), (31, 582029), (67, 269297), (73, 247163), (119, 151621), (217, 83147), (469, 38471), (511, 35309), (527, 34237), (1139, 15841), (1241, 14539), (2077, 8687), (2263, 7973), (3689, 4891)]