18609800

素因数分解:

$2^3\times 5^2\times {\mathrm{11}}^2\times {\mathrm{769}}^1$

素因数の和:807

約数の個数: 72

約数和(自身を含む): 47620650

約数和(自身を除く): 29010850

約数列:

[1, 2, 4, 5, 8, 10, 11, 20, 22, 25, 40, 44, 50, 55, 88, 100, 110, 121, 200, 220, 242, 275, 440, 484, 550, 605, 769, 968, 1100, 1210, 1538, 2200, 2420, 3025, 3076, 3845, 4840, 6050, 6152, 7690, 8459, 12100, 15380, 16918, 19225, 24200, 30760, 33836, 38450, 42295, 67672, 76900, 84590, 93049, 153800, 169180, 186098, 211475, 338360, 372196, 422950, 465245, 744392, 845900, 930490, 1691800, 1860980, 2326225, 3721960, 4652450, 9304900, 18609800]

約数ペア:

[(1, 18609800), (2, 9304900), (4, 4652450), (5, 3721960), (8, 2326225), (10, 1860980), (11, 1691800), (20, 930490), (22, 845900), (25, 744392), (40, 465245), (44, 422950), (50, 372196), (55, 338360), (88, 211475), (100, 186098), (110, 169180), (121, 153800), (200, 93049), (220, 84590), (242, 76900), (275, 67672), (440, 42295), (484, 38450), (550, 33836), (605, 30760), (769, 24200), (968, 19225), (1100, 16918), (1210, 15380), (1538, 12100), (2200, 8459), (2420, 7690), (3025, 6152), (3076, 6050), (3845, 4840)]