19967224

素因数分解:

$2^3\times {\mathrm{31}}^1\times {\mathrm{80513}}^1$

素因数の和:80550

約数の個数: 16

約数和(自身を含む): 38646720

約数和(自身を除く): 18679496

約数列:

[1, 2, 4, 8, 31, 62, 124, 248, 80513, 161026, 322052, 644104, 2495903, 4991806, 9983612, 19967224]

約数ペア:

[(1, 19967224), (2, 9983612), (4, 4991806), (8, 2495903), (31, 644104), (62, 322052), (124, 161026), (248, 80513)]