18171938

素因数分解:

$2^1\times {\mathrm{41}}^1\times {\mathrm{167}}^1\times {\mathrm{1327}}^1$

素因数の和:1537

約数の個数: 16

約数和(自身を含む): 28111104

約数和(自身を除く): 9939166

約数列:

[1, 2, 41, 82, 167, 334, 1327, 2654, 6847, 13694, 54407, 108814, 221609, 443218, 9085969, 18171938]

約数ペア:

[(1, 18171938), (2, 9085969), (41, 443218), (82, 221609), (167, 108814), (334, 54407), (1327, 13694), (2654, 6847)]