18505982

素因数分解:

$2^1\times {\mathrm{11}}^2\times {\mathrm{76471}}^1$

素因数の和:76495

約数の個数: 12

約数和(自身を含む): 30512328

約数和(自身を除く): 12006346

約数列:

[1, 2, 11, 22, 121, 242, 76471, 152942, 841181, 1682362, 9252991, 18505982]

約数ペア:

[(1, 18505982), (2, 9252991), (11, 1682362), (22, 841181), (121, 152942), (242, 76471)]