18312009

素因数分解:

$3^1\times {\mathrm{17}}^1\times {\mathrm{157}}^1\times {\mathrm{2287}}^1$

素因数の和:2464

約数の個数: 16

約数和(自身を含む): 26028288

約数和(自身を除く): 7716279

約数列:

[1, 3, 17, 51, 157, 471, 2287, 2669, 6861, 8007, 38879, 116637, 359059, 1077177, 6104003, 18312009]

約数ペア:

[(1, 18312009), (3, 6104003), (17, 1077177), (51, 359059), (157, 116637), (471, 38879), (2287, 8007), (2669, 6861)]