18916814

素因数分解:

$2^1\times 7^1\times {\mathrm{71}}^1\times {\mathrm{19031}}^1$

素因数の和:19111

約数の個数: 16

約数和(自身を含む): 32887296

約数和(自身を除く): 13970482

約数列:

[1, 2, 7, 14, 71, 142, 497, 994, 19031, 38062, 133217, 266434, 1351201, 2702402, 9458407, 18916814]

約数ペア:

[(1, 18916814), (2, 9458407), (7, 2702402), (14, 1351201), (71, 266434), (142, 133217), (497, 38062), (994, 19031)]