19938864064

素因数分解:

$2^6\times 7^1\times {\mathrm{61}}^1\times {\mathrm{729613}}^1$

素因数の和:729693

約数の個数: 56

約数和(自身を含む): 45959845088

約数和(自身を除く): 26020981024

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 32, 56, 61, 64, 112, 122, 224, 244, 427, 448, 488, 854, 976, 1708, 1952, 3416, 3904, 6832, 13664, 27328, 729613, 1459226, 2918452, 5107291, 5836904, 10214582, 11673808, 20429164, 23347616, 40858328, 44506393, 46695232, 81716656, 89012786, 163433312, 178025572, 311544751, 326866624, 356051144, 623089502, 712102288, 1246179004, 1424204576, 2492358008, 2848409152, 4984716016, 9969432032, 19938864064]

約数ペア:

[(1, 19938864064), (2, 9969432032), (4, 4984716016), (7, 2848409152), (8, 2492358008), (14, 1424204576), (16, 1246179004), (28, 712102288), (32, 623089502), (56, 356051144), (61, 326866624), (64, 311544751), (112, 178025572), (122, 163433312), (224, 89012786), (244, 81716656), (427, 46695232), (448, 44506393), (488, 40858328), (854, 23347616), (976, 20429164), (1708, 11673808), (1952, 10214582), (3416, 5836904), (3904, 5107291), (6832, 2918452), (13664, 1459226), (27328, 729613)]