19055330

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{137}}^1\times {\mathrm{1987}}^1$

素因数の和:2138

約数の個数: 32

約数和(自身を含む): 39505536

約数和(自身を除く): 20450206

約数列:

[1, 2, 5, 7, 10, 14, 35, 70, 137, 274, 685, 959, 1370, 1918, 1987, 3974, 4795, 9590, 9935, 13909, 19870, 27818, 69545, 139090, 272219, 544438, 1361095, 1905533, 2722190, 3811066, 9527665, 19055330]

約数ペア:

[(1, 19055330), (2, 9527665), (5, 3811066), (7, 2722190), (10, 1905533), (14, 1361095), (35, 544438), (70, 272219), (137, 139090), (274, 69545), (685, 27818), (959, 19870), (1370, 13909), (1918, 9935), (1987, 9590), (3974, 4795)]