18894337

素因数分解:

$7^1\times {\mathrm{11}}^1\times {\mathrm{59}}^1\times {\mathrm{4159}}^1$

素因数の和:4236

約数の個数: 16

約数和(自身を含む): 23961600

約数和(自身を除く): 5067263

約数列:

[1, 7, 11, 59, 77, 413, 649, 4159, 4543, 29113, 45749, 245381, 320243, 1717667, 2699191, 18894337]

約数ペア:

[(1, 18894337), (7, 2699191), (11, 1717667), (59, 320243), (77, 245381), (413, 45749), (649, 29113), (4159, 4543)]