18939610

素因数分解:

$2^1\times 5^1\times {\mathrm{29}}^1\times {\mathrm{65309}}^1$

素因数の和:65345

約数の個数: 16

約数和(自身を含む): 35267400

約数和(自身を除く): 16327790

約数列:

[1, 2, 5, 10, 29, 58, 145, 290, 65309, 130618, 326545, 653090, 1893961, 3787922, 9469805, 18939610]

約数ペア:

[(1, 18939610), (2, 9469805), (5, 3787922), (10, 1893961), (29, 653090), (58, 326545), (145, 130618), (290, 65309)]