19512295

素因数分解:

$5^1\times {\mathrm{11}}^1\times {\mathrm{149}}^1\times {\mathrm{2381}}^1$

素因数の和:2546

約数の個数: 16

約数和(自身を含む): 25725600

約数和(自身を除く): 6213305

約数列:

[1, 5, 11, 55, 149, 745, 1639, 2381, 8195, 11905, 26191, 130955, 354769, 1773845, 3902459, 19512295]

約数ペア:

[(1, 19512295), (5, 3902459), (11, 1773845), (55, 354769), (149, 130955), (745, 26191), (1639, 11905), (2381, 8195)]