19025860

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{135899}}^1$

素因数の和:135915

約数の個数: 24

約数和(自身を含む): 45662400

約数和(自身を除く): 26636540

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 135899, 271798, 543596, 679495, 951293, 1358990, 1902586, 2717980, 3805172, 4756465, 9512930, 19025860]

約数ペア:

[(1, 19025860), (2, 9512930), (4, 4756465), (5, 3805172), (7, 2717980), (10, 1902586), (14, 1358990), (20, 951293), (28, 679495), (35, 543596), (70, 271798), (140, 135899)]