19846540

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{141761}}^1$

素因数の和:141777

約数の個数: 24

約数和(自身を含む): 47632032

約数和(自身を除く): 27785492

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 141761, 283522, 567044, 708805, 992327, 1417610, 1984654, 2835220, 3969308, 4961635, 9923270, 19846540]

約数ペア:

[(1, 19846540), (2, 9923270), (4, 4961635), (5, 3969308), (7, 2835220), (10, 1984654), (14, 1417610), (20, 992327), (28, 708805), (35, 567044), (70, 283522), (140, 141761)]