19478529

素因数分解:

$3^3\times 7^2\times {\mathrm{14723}}^1$

素因数の和:14746

約数の個数: 24

約数和(自身を含む): 33570720

約数和(自身を除く): 14092191

約数列:

[1, 3, 7, 9, 21, 27, 49, 63, 147, 189, 441, 1323, 14723, 44169, 103061, 132507, 309183, 397521, 721427, 927549, 2164281, 2782647, 6492843, 19478529]

約数ペア:

[(1, 19478529), (3, 6492843), (7, 2782647), (9, 2164281), (21, 927549), (27, 721427), (49, 397521), (63, 309183), (147, 132507), (189, 103061), (441, 44169), (1323, 14723)]