19886104

素因数分解:

$2^3\times 7^1\times {\mathrm{355109}}^1$

素因数の和:355122

約数の個数: 16

約数和(自身を含む): 42613200

約数和(自身を除く): 22727096

約数列:

[1, 2, 4, 7, 8, 14, 28, 56, 355109, 710218, 1420436, 2485763, 2840872, 4971526, 9943052, 19886104]

約数ペア:

[(1, 19886104), (2, 9943052), (4, 4971526), (7, 2840872), (8, 2485763), (14, 1420436), (28, 710218), (56, 355109)]