19937156960

素因数分解:

$2^5\times 5^1\times 7^1\times {\mathrm{37}}^1\times {\mathrm{481109}}^1$

素因数の和:481168

約数の個数: 96

約数和(自身を含む): 55285312320

約数和(自身を除く): 35348155360

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 32, 35, 37, 40, 56, 70, 74, 80, 112, 140, 148, 160, 185, 224, 259, 280, 296, 370, 518, 560, 592, 740, 1036, 1120, 1184, 1295, 1480, 2072, 2590, 2960, 4144, 5180, 5920, 8288, 10360, 20720, 41440, 481109, 962218, 1924436, 2405545, 3367763, 3848872, 4811090, 6735526, 7697744, 9622180, 13471052, 15395488, 16838815, 17801033, 19244360, 26942104, 33677630, 35602066, 38488720, 53884208, 67355260, 71204132, 76977440, 89005165, 107768416, 124607231, 134710520, 142408264, 178010330, 249214462, 269421040, 284816528, 356020660, 498428924, 538842080, 569633056, 623036155, 712041320, 996857848, 1246072310, 1424082640, 1993715696, 2492144620, 2848165280, 3987431392, 4984289240, 9968578480, 19937156960]

約数ペア:

[(1, 19937156960), (2, 9968578480), (4, 4984289240), (5, 3987431392), (7, 2848165280), (8, 2492144620), (10, 1993715696), (14, 1424082640), (16, 1246072310), (20, 996857848), (28, 712041320), (32, 623036155), (35, 569633056), (37, 538842080), (40, 498428924), (56, 356020660), (70, 284816528), (74, 269421040), (80, 249214462), (112, 178010330), (140, 142408264), (148, 134710520), (160, 124607231), (185, 107768416), (224, 89005165), (259, 76977440), (280, 71204132), (296, 67355260), (370, 53884208), (518, 38488720), (560, 35602066), (592, 33677630), (740, 26942104), (1036, 19244360), (1120, 17801033), (1184, 16838815), (1295, 15395488), (1480, 13471052), (2072, 9622180), (2590, 7697744), (2960, 6735526), (4144, 4811090), (5180, 3848872), (5920, 3367763), (8288, 2405545), (10360, 1924436), (20720, 962218), (41440, 481109)]