20189438

素因数分解:

$2^1\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{31253}}^1$

素因数の和:31291

約数の個数: 16

約数和(自身を含む): 33754320

約数和(自身を除く): 13564882

約数列:

[1, 2, 17, 19, 34, 38, 323, 646, 31253, 62506, 531301, 593807, 1062602, 1187614, 10094719, 20189438]

約数ペア:

[(1, 20189438), (2, 10094719), (17, 1187614), (19, 1062602), (34, 593807), (38, 531301), (323, 62506), (646, 31253)]