19802475

素因数分解:

$3^4\times 5^2\times 7^1\times {\mathrm{11}}^1\times {\mathrm{127}}^1$

素因数の和:167

約数の個数: 120

約数和(自身を含む): 46092288

約数和(自身を除く): 26289813

約数列:

[1, 3, 5, 7, 9, 11, 15, 21, 25, 27, 33, 35, 45, 55, 63, 75, 77, 81, 99, 105, 127, 135, 165, 175, 189, 225, 231, 275, 297, 315, 381, 385, 405, 495, 525, 567, 635, 675, 693, 825, 889, 891, 945, 1143, 1155, 1397, 1485, 1575, 1905, 1925, 2025, 2079, 2475, 2667, 2835, 3175, 3429, 3465, 4191, 4445, 4455, 4725, 5715, 5775, 6237, 6985, 7425, 8001, 9525, 9779, 10287, 10395, 12573, 13335, 14175, 17145, 17325, 20955, 22225, 22275, 24003, 28575, 29337, 31185, 34925, 37719, 40005, 48895, 51435, 51975, 62865, 66675, 72009, 85725, 88011, 104775, 113157, 120015, 146685, 155925, 188595, 200025, 244475, 257175, 264033, 314325, 360045, 440055, 565785, 600075, 733425, 792099, 942975, 1320165, 1800225, 2200275, 2828925, 3960495, 6600825, 19802475]

約数ペア:

[(1, 19802475), (3, 6600825), (5, 3960495), (7, 2828925), (9, 2200275), (11, 1800225), (15, 1320165), (21, 942975), (25, 792099), (27, 733425), (33, 600075), (35, 565785), (45, 440055), (55, 360045), (63, 314325), (75, 264033), (77, 257175), (81, 244475), (99, 200025), (105, 188595), (127, 155925), (135, 146685), (165, 120015), (175, 113157), (189, 104775), (225, 88011), (231, 85725), (275, 72009), (297, 66675), (315, 62865), (381, 51975), (385, 51435), (405, 48895), (495, 40005), (525, 37719), (567, 34925), (635, 31185), (675, 29337), (693, 28575), (825, 24003), (889, 22275), (891, 22225), (945, 20955), (1143, 17325), (1155, 17145), (1397, 14175), (1485, 13335), (1575, 12573), (1905, 10395), (1925, 10287), (2025, 9779), (2079, 9525), (2475, 8001), (2667, 7425), (2835, 6985), (3175, 6237), (3429, 5775), (3465, 5715), (4191, 4725), (4445, 4455)]