19400381

素因数分解:

$7^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{19381}}^1$

素因数の和:19412

約数の個数: 16

約数和(自身を含む): 26049408

約数和(自身を除く): 6649027

約数列:

[1, 7, 11, 13, 77, 91, 143, 1001, 19381, 135667, 213191, 251953, 1492337, 1763671, 2771483, 19400381]

約数ペア:

[(1, 19400381), (7, 2771483), (11, 1763671), (13, 1492337), (77, 251953), (91, 213191), (143, 135667), (1001, 19381)]