19471287

素因数分解:

$3^1\times {\mathrm{11}}^1\times {\mathrm{37}}^2\times {\mathrm{431}}^1$

素因数の和:519

約数の個数: 24

約数和(自身を含む): 29175552

約数和(自身を除く): 9704265

約数列:

[1, 3, 11, 33, 37, 111, 407, 431, 1221, 1293, 1369, 4107, 4741, 14223, 15059, 15947, 45177, 47841, 175417, 526251, 590039, 1770117, 6490429, 19471287]

約数ペア:

[(1, 19471287), (3, 6490429), (11, 1770117), (33, 590039), (37, 526251), (111, 175417), (407, 47841), (431, 45177), (1221, 15947), (1293, 15059), (1369, 14223), (4107, 4741)]