18924801

素因数分解:

$3^1\times 7^1\times {\mathrm{211}}^1\times {\mathrm{4271}}^1$

素因数の和:4492

約数の個数: 16

約数和(自身を含む): 28981248

約数和(自身を除く): 10056447

約数列:

[1, 3, 7, 21, 211, 633, 1477, 4271, 4431, 12813, 29897, 89691, 901181, 2703543, 6308267, 18924801]

約数ペア:

[(1, 18924801), (3, 6308267), (7, 2703543), (21, 901181), (211, 89691), (633, 29897), (1477, 12813), (4271, 4431)]