19992019008

素因数分解:

$2^6\times 3^1\times {\mathrm{13}}^1\times {\mathrm{8009623}}^1$

素因数の和:8009651

約数の個数: 56

約数和(自身を含む): 56964445888

約数和(自身を除く): 36972426880

約数列:

[1, 2, 3, 4, 6, 8, 12, 13, 16, 24, 26, 32, 39, 48, 52, 64, 78, 96, 104, 156, 192, 208, 312, 416, 624, 832, 1248, 2496, 8009623, 16019246, 24028869, 32038492, 48057738, 64076984, 96115476, 104125099, 128153968, 192230952, 208250198, 256307936, 312375297, 384461904, 416500396, 512615872, 624750594, 768923808, 833000792, 1249501188, 1537847616, 1666001584, 2499002376, 3332003168, 4998004752, 6664006336, 9996009504, 19992019008]

約数ペア:

[(1, 19992019008), (2, 9996009504), (3, 6664006336), (4, 4998004752), (6, 3332003168), (8, 2499002376), (12, 1666001584), (13, 1537847616), (16, 1249501188), (24, 833000792), (26, 768923808), (32, 624750594), (39, 512615872), (48, 416500396), (52, 384461904), (64, 312375297), (78, 256307936), (96, 208250198), (104, 192230952), (156, 128153968), (192, 104125099), (208, 96115476), (312, 64076984), (416, 48057738), (624, 32038492), (832, 24028869), (1248, 16019246), (2496, 8009623)]