18942261

素因数分解:

$3^1\times {\mathrm{13}}^1\times {\mathrm{37}}^1\times {\mathrm{13127}}^1$

素因数の和:13180

約数の個数: 16

約数和(自身を含む): 27936384

約数和(自身を除く): 8994123

約数列:

[1, 3, 13, 37, 39, 111, 481, 1443, 13127, 39381, 170651, 485699, 511953, 1457097, 6314087, 18942261]

約数ペア:

[(1, 18942261), (3, 6314087), (13, 1457097), (37, 511953), (39, 485699), (111, 170651), (481, 39381), (1443, 13127)]