19360840

素因数分解:

$2^3\times 5^1\times {\mathrm{137}}^1\times {\mathrm{3533}}^1$

素因数の和:3681

約数の個数: 32

約数和(自身を含む): 43892280

約数和(自身を除く): 24531440

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 137, 274, 548, 685, 1096, 1370, 2740, 3533, 5480, 7066, 14132, 17665, 28264, 35330, 70660, 141320, 484021, 968042, 1936084, 2420105, 3872168, 4840210, 9680420, 19360840]

約数ペア:

[(1, 19360840), (2, 9680420), (4, 4840210), (5, 3872168), (8, 2420105), (10, 1936084), (20, 968042), (40, 484021), (137, 141320), (274, 70660), (548, 35330), (685, 28264), (1096, 17665), (1370, 14132), (2740, 7066), (3533, 5480)]