19809204915

素因数分解:

$3^1\times 5^1\times {\mathrm{47}}^1\times {\mathrm{28098163}}^1$

素因数の和:28098218

約数の個数: 16

約数和(自身を含む): 32369084928

約数和(自身を除く): 12559880013

約数列:

[1, 3, 5, 15, 47, 141, 235, 705, 28098163, 84294489, 140490815, 421472445, 1320613661, 3961840983, 6603068305, 19809204915]

約数ペア:

[(1, 19809204915), (3, 6603068305), (5, 3961840983), (15, 1320613661), (47, 421472445), (141, 140490815), (235, 84294489), (705, 28098163)]