19657533

素因数分解:

$3^1\times 7^1\times {\mathrm{19}}^2\times {\mathrm{2593}}^1$

素因数の和:2641

約数の個数: 24

約数和(自身を含む): 31626048

約数和(自身を除く): 11968515

約数列:

[1, 3, 7, 19, 21, 57, 133, 361, 399, 1083, 2527, 2593, 7581, 7779, 18151, 49267, 54453, 147801, 344869, 936073, 1034607, 2808219, 6552511, 19657533]

約数ペア:

[(1, 19657533), (3, 6552511), (7, 2808219), (19, 1034607), (21, 936073), (57, 344869), (133, 147801), (361, 54453), (399, 49267), (1083, 18151), (2527, 7779), (2593, 7581)]