19604025

素因数分解:

$3^5\times 5^2\times 7^1\times {\mathrm{461}}^1$

素因数の和:493

約数の個数: 72

約数和(自身を含む): 41705664

約数和(自身を除く): 22101639

約数列:

[1, 3, 5, 7, 9, 15, 21, 25, 27, 35, 45, 63, 75, 81, 105, 135, 175, 189, 225, 243, 315, 405, 461, 525, 567, 675, 945, 1215, 1383, 1575, 1701, 2025, 2305, 2835, 3227, 4149, 4725, 6075, 6915, 8505, 9681, 11525, 12447, 14175, 16135, 20745, 29043, 34575, 37341, 42525, 48405, 62235, 80675, 87129, 103725, 112023, 145215, 186705, 242025, 261387, 311175, 435645, 560115, 726075, 784161, 933525, 1306935, 2178225, 2800575, 3920805, 6534675, 19604025]

約数ペア:

[(1, 19604025), (3, 6534675), (5, 3920805), (7, 2800575), (9, 2178225), (15, 1306935), (21, 933525), (25, 784161), (27, 726075), (35, 560115), (45, 435645), (63, 311175), (75, 261387), (81, 242025), (105, 186705), (135, 145215), (175, 112023), (189, 103725), (225, 87129), (243, 80675), (315, 62235), (405, 48405), (461, 42525), (525, 37341), (567, 34575), (675, 29043), (945, 20745), (1215, 16135), (1383, 14175), (1575, 12447), (1701, 11525), (2025, 9681), (2305, 8505), (2835, 6915), (3227, 6075), (4149, 4725)]