18904130

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{270059}}^1$

素因数の和:270073

約数の個数: 16

約数和(自身を含む): 38888640

約数和(自身を除く): 19984510

約数列:

[1, 2, 5, 7, 10, 14, 35, 70, 270059, 540118, 1350295, 1890413, 2700590, 3780826, 9452065, 18904130]

約数ペア:

[(1, 18904130), (2, 9452065), (5, 3780826), (7, 2700590), (10, 1890413), (14, 1350295), (35, 540118), (70, 270059)]