19149507

素因数分解:

$3^3\times {\mathrm{13}}^1\times {\mathrm{89}}^1\times {\mathrm{613}}^1$

素因数の和:724

約数の個数: 32

約数和(自身を含む): 30945600

約数和(自身を除く): 11796093

約数列:

[1, 3, 9, 13, 27, 39, 89, 117, 267, 351, 613, 801, 1157, 1839, 2403, 3471, 5517, 7969, 10413, 16551, 23907, 31239, 54557, 71721, 163671, 215163, 491013, 709241, 1473039, 2127723, 6383169, 19149507]

約数ペア:

[(1, 19149507), (3, 6383169), (9, 2127723), (13, 1473039), (27, 709241), (39, 491013), (89, 215163), (117, 163671), (267, 71721), (351, 54557), (613, 31239), (801, 23907), (1157, 16551), (1839, 10413), (2403, 7969), (3471, 5517)]