19152415

素因数分解:

$5^1\times {\mathrm{43}}^1\times {\mathrm{229}}^1\times {\mathrm{389}}^1$

素因数の和:666

約数の個数: 16

約数和(自身を含む): 23680800

約数和(自身を除く): 4528385

約数列:

[1, 5, 43, 215, 229, 389, 1145, 1945, 9847, 16727, 49235, 83635, 89081, 445405, 3830483, 19152415]

約数ペア:

[(1, 19152415), (5, 3830483), (43, 445405), (215, 89081), (229, 83635), (389, 49235), (1145, 16727), (1945, 9847)]