19388072

素因数分解:

$2^3\times {\mathrm{11}}^2\times {\mathrm{20029}}^1$

素因数の和:20057

約数の個数: 24

約数和(自身を含む): 39959850

約数和(自身を除く): 20571778

約数列:

[1, 2, 4, 8, 11, 22, 44, 88, 121, 242, 484, 968, 20029, 40058, 80116, 160232, 220319, 440638, 881276, 1762552, 2423509, 4847018, 9694036, 19388072]

約数ペア:

[(1, 19388072), (2, 9694036), (4, 4847018), (8, 2423509), (11, 1762552), (22, 881276), (44, 440638), (88, 220319), (121, 160232), (242, 80116), (484, 40058), (968, 20029)]