18490810

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{142237}}^1$

素因数の和:142257

約数の個数: 16

約数和(自身を含む): 35843976

約数和(自身を除く): 17353166

約数列:

[1, 2, 5, 10, 13, 26, 65, 130, 142237, 284474, 711185, 1422370, 1849081, 3698162, 9245405, 18490810]

約数ペア:

[(1, 18490810), (2, 9245405), (5, 3698162), (10, 1849081), (13, 1422370), (26, 711185), (65, 284474), (130, 142237)]