19487484

素因数分解:

$2^2\times 3^2\times {\mathrm{521}}^1\times {\mathrm{1039}}^1$

素因数の和:1570

約数の個数: 36

約数和(自身を含む): 49402080

約数和(自身を除く): 29914596

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 36, 521, 1039, 1042, 1563, 2078, 2084, 3117, 3126, 4156, 4689, 6234, 6252, 9351, 9378, 12468, 18702, 18756, 37404, 541319, 1082638, 1623957, 2165276, 3247914, 4871871, 6495828, 9743742, 19487484]

約数ペア:

[(1, 19487484), (2, 9743742), (3, 6495828), (4, 4871871), (6, 3247914), (9, 2165276), (12, 1623957), (18, 1082638), (36, 541319), (521, 37404), (1039, 18756), (1042, 18702), (1563, 12468), (2078, 9378), (2084, 9351), (3117, 6252), (3126, 6234), (4156, 4689)]