18613798

素因数分解:

$2^1\times 7^1\times {\mathrm{239}}^1\times {\mathrm{5563}}^1$

素因数の和:5811

約数の個数: 16

約数和(自身を含む): 32048640

約数和(自身を除く): 13434842

約数列:

[1, 2, 7, 14, 239, 478, 1673, 3346, 5563, 11126, 38941, 77882, 1329557, 2659114, 9306899, 18613798]

約数ペア:

[(1, 18613798), (2, 9306899), (7, 2659114), (14, 1329557), (239, 77882), (478, 38941), (1673, 11126), (3346, 5563)]