18415954

素因数分解:

$2^1\times {\mathrm{43}}^1\times {\mathrm{197}}^1\times {\mathrm{1087}}^1$

素因数の和:1329

約数の個数: 16

約数和(自身を含む): 28435968

約数和(自身を除く): 10020014

約数列:

[1, 2, 43, 86, 197, 394, 1087, 2174, 8471, 16942, 46741, 93482, 214139, 428278, 9207977, 18415954]

約数ペア:

[(1, 18415954), (2, 9207977), (43, 428278), (86, 214139), (197, 93482), (394, 46741), (1087, 16942), (2174, 8471)]