19981542

素因数分解:

$2^1\times 3^1\times 7^1\times {\mathrm{475751}}^1$

素因数の和:475763

約数の個数: 16

約数和(自身を含む): 45672192

約数和(自身を除く): 25690650

約数列:

[1, 2, 3, 6, 7, 14, 21, 42, 475751, 951502, 1427253, 2854506, 3330257, 6660514, 9990771, 19981542]

約数ペア:

[(1, 19981542), (2, 9990771), (3, 6660514), (6, 3330257), (7, 2854506), (14, 1427253), (21, 951502), (42, 475751)]