19884130

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{284059}}^1$

素因数の和:284073

約数の個数: 16

約数和(自身を含む): 40904640

約数和(自身を除く): 21020510

約数列:

[1, 2, 5, 7, 10, 14, 35, 70, 284059, 568118, 1420295, 1988413, 2840590, 3976826, 9942065, 19884130]

約数ペア:

[(1, 19884130), (2, 9942065), (5, 3976826), (7, 2840590), (10, 1988413), (14, 1420295), (35, 568118), (70, 284059)]