19615540

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{140111}}^1$

素因数の和:140127

約数の個数: 24

約数和(自身を含む): 47077632

約数和(自身を除く): 27462092

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 140111, 280222, 560444, 700555, 980777, 1401110, 1961554, 2802220, 3923108, 4903885, 9807770, 19615540]

約数ペア:

[(1, 19615540), (2, 9807770), (4, 4903885), (5, 3923108), (7, 2802220), (10, 1961554), (14, 1401110), (20, 980777), (28, 700555), (35, 560444), (70, 280222), (140, 140111)]