19943726

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{31}}^1\times {\mathrm{29243}}^1$

素因数の和:29287

約数の個数: 16

約数和(自身を含む): 33689088

約数和(自身を除く): 13745362

約数列:

[1, 2, 11, 22, 31, 62, 341, 682, 29243, 58486, 321673, 643346, 906533, 1813066, 9971863, 19943726]

約数ペア:

[(1, 19943726), (2, 9971863), (11, 1813066), (22, 906533), (31, 643346), (62, 321673), (341, 58486), (682, 29243)]