18539518

素因数分解:

$2^1\times {\mathrm{23}}^1\times {\mathrm{73}}^1\times {\mathrm{5521}}^1$

素因数の和:5619

約数の個数: 16

約数和(自身を含む): 29421216

約数和(自身を除く): 10881698

約数列:

[1, 2, 23, 46, 73, 146, 1679, 3358, 5521, 11042, 126983, 253966, 403033, 806066, 9269759, 18539518]

約数ペア:

[(1, 18539518), (2, 9269759), (23, 806066), (46, 403033), (73, 253966), (146, 126983), (1679, 11042), (3358, 5521)]