18718642

素因数分解:

$2^1\times {\mathrm{23}}^1\times {\mathrm{503}}^1\times {\mathrm{809}}^1$

素因数の和:1337

約数の個数: 16

約数和(自身を含む): 29393280

約数和(自身を除く): 10674638

約数列:

[1, 2, 23, 46, 503, 809, 1006, 1618, 11569, 18607, 23138, 37214, 406927, 813854, 9359321, 18718642]

約数ペア:

[(1, 18718642), (2, 9359321), (23, 813854), (46, 406927), (503, 37214), (809, 23138), (1006, 18607), (1618, 11569)]