19970864

素因数分解:

$2^4\times {\mathrm{47}}^1\times {\mathrm{26557}}^1$

素因数の和:26612

約数の個数: 20

約数和(自身を含む): 39518304

約数和(自身を除く): 19547440

約数列:

[1, 2, 4, 8, 16, 47, 94, 188, 376, 752, 26557, 53114, 106228, 212456, 424912, 1248179, 2496358, 4992716, 9985432, 19970864]

約数ペア:

[(1, 19970864), (2, 9985432), (4, 4992716), (8, 2496358), (16, 1248179), (47, 424912), (94, 212456), (188, 106228), (376, 53114), (752, 26557)]