19883080

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{71011}}^1$

素因数の和:71029

約数の個数: 32

約数和(自身を含む): 51128640

約数和(自身を除く): 31245560

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 70, 140, 280, 71011, 142022, 284044, 355055, 497077, 568088, 710110, 994154, 1420220, 1988308, 2485385, 2840440, 3976616, 4970770, 9941540, 19883080]

約数ペア:

[(1, 19883080), (2, 9941540), (4, 4970770), (5, 3976616), (7, 2840440), (8, 2485385), (10, 1988308), (14, 1420220), (20, 994154), (28, 710110), (35, 568088), (40, 497077), (56, 355055), (70, 284044), (140, 142022), (280, 71011)]