19421439

素因数分解:

$3^1\times {\mathrm{19}}^2\times {\mathrm{79}}^1\times {\mathrm{227}}^1$

素因数の和:347

約数の個数: 24

約数和(自身を含む): 27797760

約数和(自身を除く): 8376321

約数列:

[1, 3, 19, 57, 79, 227, 237, 361, 681, 1083, 1501, 4313, 4503, 12939, 17933, 28519, 53799, 81947, 85557, 245841, 340727, 1022181, 6473813, 19421439]

約数ペア:

[(1, 19421439), (3, 6473813), (19, 1022181), (57, 340727), (79, 245841), (227, 85557), (237, 81947), (361, 53799), (681, 28519), (1083, 17933), (1501, 12939), (4313, 4503)]