18607401

素因数分解:

$3^4\times {\mathrm{17}}^1\times {\mathrm{13513}}^1$

素因数の和:13542

約数の個数: 20

約数和(自身を含む): 29433492

約数和(自身を除く): 10826091

約数列:

[1, 3, 9, 17, 27, 51, 81, 153, 459, 1377, 13513, 40539, 121617, 229721, 364851, 689163, 1094553, 2067489, 6202467, 18607401]

約数ペア:

[(1, 18607401), (3, 6202467), (9, 2067489), (17, 1094553), (27, 689163), (51, 364851), (81, 229721), (153, 121617), (459, 40539), (1377, 13513)]