18473273

素因数分解:

$7^1\times {\mathrm{13}}^1\times {\mathrm{43}}^1\times {\mathrm{4721}}^1$

素因数の和:4784

約数の個数: 16

約数和(自身を含む): 23270016

約数和(自身を除く): 4796743

約数列:

[1, 7, 13, 43, 91, 301, 559, 3913, 4721, 33047, 61373, 203003, 429611, 1421021, 2639039, 18473273]

約数ペア:

[(1, 18473273), (7, 2639039), (13, 1421021), (43, 429611), (91, 203003), (301, 61373), (559, 33047), (3913, 4721)]