18680433

素因数分解:

$3^1\times {\mathrm{17}}^1\times {\mathrm{53}}^1\times {\mathrm{6911}}^1$

素因数の和:6984

約数の個数: 16

約数和(自身を含む): 26873856

約数和(自身を除く): 8193423

約数列:

[1, 3, 17, 51, 53, 159, 901, 2703, 6911, 20733, 117487, 352461, 366283, 1098849, 6226811, 18680433]

約数ペア:

[(1, 18680433), (3, 6226811), (17, 1098849), (51, 366283), (53, 352461), (159, 117487), (901, 20733), (2703, 6911)]