19968156768

素因数分解:

$2^5\times 3^1\times 7^1\times {\mathrm{89}}^1\times {\mathrm{333871}}^1$

素因数の和:333980

約数の個数: 96

約数和(自身を含む): 60577735680

約数和(自身を除く): 40609578912

約数列:

[1, 2, 3, 4, 6, 7, 8, 12, 14, 16, 21, 24, 28, 32, 42, 48, 56, 84, 89, 96, 112, 168, 178, 224, 267, 336, 356, 534, 623, 672, 712, 1068, 1246, 1424, 1869, 2136, 2492, 2848, 3738, 4272, 4984, 7476, 8544, 9968, 14952, 19936, 29904, 59808, 333871, 667742, 1001613, 1335484, 2003226, 2337097, 2670968, 4006452, 4674194, 5341936, 7011291, 8012904, 9348388, 10683872, 14022582, 16025808, 18696776, 28045164, 29714519, 32051616, 37393552, 56090328, 59429038, 74787104, 89143557, 112180656, 118858076, 178287114, 208001633, 224361312, 237716152, 356574228, 416003266, 475432304, 624004899, 713148456, 832006532, 950864608, 1248009798, 1426296912, 1664013064, 2496019596, 2852593824, 3328026128, 4992039192, 6656052256, 9984078384, 19968156768]

約数ペア:

[(1, 19968156768), (2, 9984078384), (3, 6656052256), (4, 4992039192), (6, 3328026128), (7, 2852593824), (8, 2496019596), (12, 1664013064), (14, 1426296912), (16, 1248009798), (21, 950864608), (24, 832006532), (28, 713148456), (32, 624004899), (42, 475432304), (48, 416003266), (56, 356574228), (84, 237716152), (89, 224361312), (96, 208001633), (112, 178287114), (168, 118858076), (178, 112180656), (224, 89143557), (267, 74787104), (336, 59429038), (356, 56090328), (534, 37393552), (623, 32051616), (672, 29714519), (712, 28045164), (1068, 18696776), (1246, 16025808), (1424, 14022582), (1869, 10683872), (2136, 9348388), (2492, 8012904), (2848, 7011291), (3738, 5341936), (4272, 4674194), (4984, 4006452), (7476, 2670968), (8544, 2337097), (9968, 2003226), (14952, 1335484), (19936, 1001613), (29904, 667742), (59808, 333871)]