19801448

素因数分解:

$2^3\times {\mathrm{67}}^1\times {\mathrm{36943}}^1$

素因数の和:37016

約数の個数: 16

約数和(自身を含む): 37682880

約数和(自身を除く): 17881432

約数列:

[1, 2, 4, 8, 67, 134, 268, 536, 36943, 73886, 147772, 295544, 2475181, 4950362, 9900724, 19801448]

約数ペア:

[(1, 19801448), (2, 9900724), (4, 4950362), (8, 2475181), (67, 295544), (134, 147772), (268, 73886), (536, 36943)]