18691270

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{143779}}^1$

素因数の和:143799

約数の個数: 16

約数和(自身を含む): 36232560

約数和(自身を除く): 17541290

約数列:

[1, 2, 5, 10, 13, 26, 65, 130, 143779, 287558, 718895, 1437790, 1869127, 3738254, 9345635, 18691270]

約数ペア:

[(1, 18691270), (2, 9345635), (5, 3738254), (10, 1869127), (13, 1437790), (26, 718895), (65, 287558), (130, 143779)]