19905528

素因数分解:

$2^3\times 3^1\times {\mathrm{53}}^1\times {\mathrm{15649}}^1$

素因数の和:15711

約数の個数: 32

約数和(自身を含む): 50706000

約数和(自身を除く): 30800472

約数列:

[1, 2, 3, 4, 6, 8, 12, 24, 53, 106, 159, 212, 318, 424, 636, 1272, 15649, 31298, 46947, 62596, 93894, 125192, 187788, 375576, 829397, 1658794, 2488191, 3317588, 4976382, 6635176, 9952764, 19905528]

約数ペア:

[(1, 19905528), (2, 9952764), (3, 6635176), (4, 4976382), (6, 3317588), (8, 2488191), (12, 1658794), (24, 829397), (53, 375576), (106, 187788), (159, 125192), (212, 93894), (318, 62596), (424, 46947), (636, 31298), (1272, 15649)]