19885624

素因数分解:

$2^3\times {\mathrm{11}}^2\times {\mathrm{20543}}^1$

素因数の和:20571

約数の個数: 24

約数和(自身を含む): 40985280

約数和(自身を除く): 21099656

約数列:

[1, 2, 4, 8, 11, 22, 44, 88, 121, 242, 484, 968, 20543, 41086, 82172, 164344, 225973, 451946, 903892, 1807784, 2485703, 4971406, 9942812, 19885624]

約数ペア:

[(1, 19885624), (2, 9942812), (4, 4971406), (8, 2485703), (11, 1807784), (22, 903892), (44, 451946), (88, 225973), (121, 164344), (242, 82172), (484, 41086), (968, 20543)]