18805203

素因数分解:

$3^4\times {\mathrm{179}}^1\times {\mathrm{1297}}^1$

素因数の和:1488

約数の個数: 20

約数和(自身を含む): 28270440

約数和(自身を除く): 9465237

約数列:

[1, 3, 9, 27, 81, 179, 537, 1297, 1611, 3891, 4833, 11673, 14499, 35019, 105057, 232163, 696489, 2089467, 6268401, 18805203]

約数ペア:

[(1, 18805203), (3, 6268401), (9, 2089467), (27, 696489), (81, 232163), (179, 105057), (537, 35019), (1297, 14499), (1611, 11673), (3891, 4833)]