19800195

素因数分解:

$3^1\times 5^1\times {\mathrm{463}}^1\times {\mathrm{2851}}^1$

素因数の和:3322

約数の個数: 16

約数和(自身を含む): 31759872

約数和(自身を除く): 11959677

約数列:

[1, 3, 5, 15, 463, 1389, 2315, 2851, 6945, 8553, 14255, 42765, 1320013, 3960039, 6600065, 19800195]

約数ペア:

[(1, 19800195), (3, 6600065), (5, 3960039), (15, 1320013), (463, 42765), (1389, 14255), (2315, 8553), (2851, 6945)]