19200055

素因数分解:

$5^1\times 7^1\times {\mathrm{17}}^1\times {\mathrm{23}}^2\times {\mathrm{61}}^1$

素因数の和:136

約数の個数: 48

約数和(自身を含む): 29623104

約数和(自身を除く): 10423049

約数列:

[1, 5, 7, 17, 23, 35, 61, 85, 115, 119, 161, 305, 391, 427, 529, 595, 805, 1037, 1403, 1955, 2135, 2645, 2737, 3703, 5185, 7015, 7259, 8993, 9821, 13685, 18515, 23851, 32269, 36295, 44965, 49105, 62951, 119255, 161345, 166957, 225883, 314755, 548573, 834785, 1129415, 2742865, 3840011, 19200055]

約数ペア:

[(1, 19200055), (5, 3840011), (7, 2742865), (17, 1129415), (23, 834785), (35, 548573), (61, 314755), (85, 225883), (115, 166957), (119, 161345), (161, 119255), (305, 62951), (391, 49105), (427, 44965), (529, 36295), (595, 32269), (805, 23851), (1037, 18515), (1403, 13685), (1955, 9821), (2135, 8993), (2645, 7259), (2737, 7015), (3703, 5185)]