18760872

素因数分解:

$2^3\times 3^1\times {\mathrm{13}}^1\times {\mathrm{157}}^1\times {\mathrm{383}}^1$

素因数の和:562

約数の個数: 64

約数和(自身を含む): 50964480

約数和(自身を除く): 32203608

約数列:

[1, 2, 3, 4, 6, 8, 12, 13, 24, 26, 39, 52, 78, 104, 156, 157, 312, 314, 383, 471, 628, 766, 942, 1149, 1256, 1532, 1884, 2041, 2298, 3064, 3768, 4082, 4596, 4979, 6123, 8164, 9192, 9958, 12246, 14937, 16328, 19916, 24492, 29874, 39832, 48984, 59748, 60131, 119496, 120262, 180393, 240524, 360786, 481048, 721572, 781703, 1443144, 1563406, 2345109, 3126812, 4690218, 6253624, 9380436, 18760872]

約数ペア:

[(1, 18760872), (2, 9380436), (3, 6253624), (4, 4690218), (6, 3126812), (8, 2345109), (12, 1563406), (13, 1443144), (24, 781703), (26, 721572), (39, 481048), (52, 360786), (78, 240524), (104, 180393), (156, 120262), (157, 119496), (312, 60131), (314, 59748), (383, 48984), (471, 39832), (628, 29874), (766, 24492), (942, 19916), (1149, 16328), (1256, 14937), (1532, 12246), (1884, 9958), (2041, 9192), (2298, 8164), (3064, 6123), (3768, 4979), (4082, 4596)]