18406286

素因数分解:

$2^1\times {\mathrm{131}}^1\times {\mathrm{163}}^1\times {\mathrm{431}}^1$

素因数の和:727

約数の個数: 16

約数和(自身を含む): 28055808

約数和(自身を除く): 9649522

約数列:

[1, 2, 131, 163, 262, 326, 431, 862, 21353, 42706, 56461, 70253, 112922, 140506, 9203143, 18406286]

約数ペア:

[(1, 18406286), (2, 9203143), (131, 140506), (163, 112922), (262, 70253), (326, 56461), (431, 42706), (862, 21353)]