19639674

素因数分解:

$2^1\times 3^2\times {\mathrm{37}}^2\times {\mathrm{797}}^1$

素因数の和:879

約数の個数: 36

約数和(自身を含む): 43788654

約数和(自身を除く): 24148980

約数列:

[1, 2, 3, 6, 9, 18, 37, 74, 111, 222, 333, 666, 797, 1369, 1594, 2391, 2738, 4107, 4782, 7173, 8214, 12321, 14346, 24642, 29489, 58978, 88467, 176934, 265401, 530802, 1091093, 2182186, 3273279, 6546558, 9819837, 19639674]

約数ペア:

[(1, 19639674), (2, 9819837), (3, 6546558), (6, 3273279), (9, 2182186), (18, 1091093), (37, 530802), (74, 265401), (111, 176934), (222, 88467), (333, 58978), (666, 29489), (797, 24642), (1369, 14346), (1594, 12321), (2391, 8214), (2738, 7173), (4107, 4782)]