19970456

素因数分解:

$2^3\times {\mathrm{11}}^1\times {\mathrm{226937}}^1$

素因数の和:226954

約数の個数: 16

約数和(自身を含む): 40848840

約数和(自身を除く): 20878384

約数列:

[1, 2, 4, 8, 11, 22, 44, 88, 226937, 453874, 907748, 1815496, 2496307, 4992614, 9985228, 19970456]

約数ペア:

[(1, 19970456), (2, 9985228), (4, 4992614), (8, 2496307), (11, 1815496), (22, 907748), (44, 453874), (88, 226937)]