19029400

素因数分解:

$2^3\times 5^2\times {\mathrm{13}}^2\times {\mathrm{563}}^1$

素因数の和:605

約数の個数: 72

約数和(自身を含む): 47993580

約数和(自身を除く): 28964180

約数列:

[1, 2, 4, 5, 8, 10, 13, 20, 25, 26, 40, 50, 52, 65, 100, 104, 130, 169, 200, 260, 325, 338, 520, 563, 650, 676, 845, 1126, 1300, 1352, 1690, 2252, 2600, 2815, 3380, 4225, 4504, 5630, 6760, 7319, 8450, 11260, 14075, 14638, 16900, 22520, 28150, 29276, 33800, 36595, 56300, 58552, 73190, 95147, 112600, 146380, 182975, 190294, 292760, 365950, 380588, 475735, 731900, 761176, 951470, 1463800, 1902940, 2378675, 3805880, 4757350, 9514700, 19029400]

約数ペア:

[(1, 19029400), (2, 9514700), (4, 4757350), (5, 3805880), (8, 2378675), (10, 1902940), (13, 1463800), (20, 951470), (25, 761176), (26, 731900), (40, 475735), (50, 380588), (52, 365950), (65, 292760), (100, 190294), (104, 182975), (130, 146380), (169, 112600), (200, 95147), (260, 73190), (325, 58552), (338, 56300), (520, 36595), (563, 33800), (650, 29276), (676, 28150), (845, 22520), (1126, 16900), (1300, 14638), (1352, 14075), (1690, 11260), (2252, 8450), (2600, 7319), (2815, 6760), (3380, 5630), (4225, 4504)]