19981626

素因数分解:

$2^1\times 3^1\times 7^1\times {\mathrm{475753}}^1$

素因数の和:475765

約数の個数: 16

約数和(自身を含む): 45672384

約数和(自身を除く): 25690758

約数列:

[1, 2, 3, 6, 7, 14, 21, 42, 475753, 951506, 1427259, 2854518, 3330271, 6660542, 9990813, 19981626]

約数ペア:

[(1, 19981626), (2, 9990813), (3, 6660542), (6, 3330271), (7, 2854518), (14, 1427259), (21, 951506), (42, 475753)]