18688794656

素因数分解:

$2^5\times 7^1\times {\mathrm{1297}}^1\times {\mathrm{64327}}^1$

素因数の和:65641

約数の個数: 48

約数和(自身を含む): 42082862976

約数和(自身を除く): 23394068320

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 32, 56, 112, 224, 1297, 2594, 5188, 9079, 10376, 18158, 20752, 36316, 41504, 64327, 72632, 128654, 145264, 257308, 290528, 450289, 514616, 900578, 1029232, 1801156, 2058464, 3602312, 7204624, 14409248, 83432119, 166864238, 333728476, 584024833, 667456952, 1168049666, 1334913904, 2336099332, 2669827808, 4672198664, 9344397328, 18688794656]

約数ペア:

[(1, 18688794656), (2, 9344397328), (4, 4672198664), (7, 2669827808), (8, 2336099332), (14, 1334913904), (16, 1168049666), (28, 667456952), (32, 584024833), (56, 333728476), (112, 166864238), (224, 83432119), (1297, 14409248), (2594, 7204624), (5188, 3602312), (9079, 2058464), (10376, 1801156), (18158, 1029232), (20752, 900578), (36316, 514616), (41504, 450289), (64327, 290528), (72632, 257308), (128654, 145264)]