19838654

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{109}}^1\times {\mathrm{8273}}^1$

素因数の和:8395

約数の個数: 16

約数和(自身を含む): 32765040

約数和(自身を除く): 12926386

約数列:

[1, 2, 11, 22, 109, 218, 1199, 2398, 8273, 16546, 91003, 182006, 901757, 1803514, 9919327, 19838654]

約数ペア:

[(1, 19838654), (2, 9919327), (11, 1803514), (22, 901757), (109, 182006), (218, 91003), (1199, 16546), (2398, 8273)]