17641972

素因数分解:

$2^2\times {\mathrm{41}}^1\times {\mathrm{97}}^1\times {\mathrm{1109}}^1$

素因数の和:1251

約数の個数: 24

約数和(自身を含む): 31981320

約数和(自身を除く): 14339348

約数列:

[1, 2, 4, 41, 82, 97, 164, 194, 388, 1109, 2218, 3977, 4436, 7954, 15908, 45469, 90938, 107573, 181876, 215146, 430292, 4410493, 8820986, 17641972]

約数ペア:

[(1, 17641972), (2, 8820986), (4, 4410493), (41, 430292), (82, 215146), (97, 181876), (164, 107573), (194, 90938), (388, 45469), (1109, 15908), (2218, 7954), (3977, 4436)]