19899539

素因数分解:

${\mathrm{11}}^2\times {\mathrm{29}}^1\times {\mathrm{53}}^1\times {\mathrm{107}}^1$

素因数の和:211

約数の個数: 24

約数和(自身を含む): 23269680

約数和(自身を除く): 3370141

約数列:

[1, 11, 29, 53, 107, 121, 319, 583, 1177, 1537, 3103, 3509, 5671, 6413, 12947, 16907, 34133, 62381, 164459, 185977, 375463, 686191, 1809049, 19899539]

約数ペア:

[(1, 19899539), (11, 1809049), (29, 686191), (53, 375463), (107, 185977), (121, 164459), (319, 62381), (583, 34133), (1177, 16907), (1537, 12947), (3103, 6413), (3509, 5671)]