19478412

素因数分解:

$2^2\times 3^2\times {\mathrm{509}}^1\times {\mathrm{1063}}^1$

素因数の和:1582

約数の個数: 36

約数和(自身を含む): 49380240

約数和(自身を除く): 29901828

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 36, 509, 1018, 1063, 1527, 2036, 2126, 3054, 3189, 4252, 4581, 6108, 6378, 9162, 9567, 12756, 18324, 19134, 38268, 541067, 1082134, 1623201, 2164268, 3246402, 4869603, 6492804, 9739206, 19478412]

約数ペア:

[(1, 19478412), (2, 9739206), (3, 6492804), (4, 4869603), (6, 3246402), (9, 2164268), (12, 1623201), (18, 1082134), (36, 541067), (509, 38268), (1018, 19134), (1063, 18324), (1527, 12756), (2036, 9567), (2126, 9162), (3054, 6378), (3189, 6108), (4252, 4581)]