11997390

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{399913}}^1$

素因数の和:399923

約数の個数: 16

約数和(自身を含む): 28793808

約数和(自身を除く): 16796418

約数列:

[1, 2, 3, 5, 6, 10, 15, 30, 399913, 799826, 1199739, 1999565, 2399478, 3999130, 5998695, 11997390]

約数ペア:

[(1, 11997390), (2, 5998695), (3, 3999130), (5, 2399478), (6, 1999565), (10, 1199739), (15, 799826), (30, 399913)]