18537839

素因数分解:

${\mathrm{23}}^1\times {\mathrm{61}}^1\times {\mathrm{73}}^1\times {\mathrm{181}}^1$

素因数の和:338

約数の個数: 16

約数和(自身を含む): 20040384

約数和(自身を除く): 1502545

約数列:

[1, 23, 61, 73, 181, 1403, 1679, 4163, 4453, 11041, 13213, 102419, 253943, 303899, 805993, 18537839]

約数ペア:

[(1, 18537839), (23, 805993), (61, 303899), (73, 253943), (181, 102419), (1403, 13213), (1679, 11041), (4163, 4453)]