18757371

素因数分解:

$3^1\times {\mathrm{47}}^1\times {\mathrm{151}}^1\times {\mathrm{881}}^1$

素因数の和:1082

約数の個数: 16

約数和(自身を含む): 25740288

約数和(自身を除く): 6982917

約数列:

[1, 3, 47, 141, 151, 453, 881, 2643, 7097, 21291, 41407, 124221, 133031, 399093, 6252457, 18757371]

約数ペア:

[(1, 18757371), (3, 6252457), (47, 399093), (141, 133031), (151, 124221), (453, 41407), (881, 21291), (2643, 7097)]