19518972

素因数分解:

$2^2\times 3^1\times {\mathrm{11}}^1\times {\mathrm{29}}^1\times {\mathrm{5099}}^1$

素因数の和:5146

約数の個数: 48

約数和(自身を含む): 51408000

約数和(自身を除く): 31889028

約数列:

[1, 2, 3, 4, 6, 11, 12, 22, 29, 33, 44, 58, 66, 87, 116, 132, 174, 319, 348, 638, 957, 1276, 1914, 3828, 5099, 10198, 15297, 20396, 30594, 56089, 61188, 112178, 147871, 168267, 224356, 295742, 336534, 443613, 591484, 673068, 887226, 1626581, 1774452, 3253162, 4879743, 6506324, 9759486, 19518972]

約数ペア:

[(1, 19518972), (2, 9759486), (3, 6506324), (4, 4879743), (6, 3253162), (11, 1774452), (12, 1626581), (22, 887226), (29, 673068), (33, 591484), (44, 443613), (58, 336534), (66, 295742), (87, 224356), (116, 168267), (132, 147871), (174, 112178), (319, 61188), (348, 56089), (638, 30594), (957, 20396), (1276, 15297), (1914, 10198), (3828, 5099)]