19511704352

素因数分解:

$2^5\times 7^2\times {\mathrm{19}}^1\times {\mathrm{654931}}^1$

素因数の和:654974

約数の個数: 72

約数和(自身を含む): 47037216240

約数和(自身を除く): 27525511888

約数列:

[1, 2, 4, 7, 8, 14, 16, 19, 28, 32, 38, 49, 56, 76, 98, 112, 133, 152, 196, 224, 266, 304, 392, 532, 608, 784, 931, 1064, 1568, 1862, 2128, 3724, 4256, 7448, 14896, 29792, 654931, 1309862, 2619724, 4584517, 5239448, 9169034, 10478896, 12443689, 18338068, 20957792, 24887378, 32091619, 36676136, 49774756, 64183238, 73352272, 87105823, 99549512, 128366476, 146704544, 174211646, 199099024, 256732952, 348423292, 398198048, 513465904, 609740761, 696846584, 1026931808, 1219481522, 1393693168, 2438963044, 2787386336, 4877926088, 9755852176, 19511704352]

約数ペア:

[(1, 19511704352), (2, 9755852176), (4, 4877926088), (7, 2787386336), (8, 2438963044), (14, 1393693168), (16, 1219481522), (19, 1026931808), (28, 696846584), (32, 609740761), (38, 513465904), (49, 398198048), (56, 348423292), (76, 256732952), (98, 199099024), (112, 174211646), (133, 146704544), (152, 128366476), (196, 99549512), (224, 87105823), (266, 73352272), (304, 64183238), (392, 49774756), (532, 36676136), (608, 32091619), (784, 24887378), (931, 20957792), (1064, 18338068), (1568, 12443689), (1862, 10478896), (2128, 9169034), (3724, 5239448), (4256, 4584517), (7448, 2619724), (14896, 1309862), (29792, 654931)]