19307260

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{137909}}^1$

素因数の和:137925

約数の個数: 24

約数和(自身を含む): 46337760

約数和(自身を除く): 27030500

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 137909, 275818, 551636, 689545, 965363, 1379090, 1930726, 2758180, 3861452, 4826815, 9653630, 19307260]

約数ペア:

[(1, 19307260), (2, 9653630), (4, 4826815), (5, 3861452), (7, 2758180), (10, 1930726), (14, 1379090), (20, 965363), (28, 689545), (35, 551636), (70, 275818), (140, 137909)]