19936968

素因数分解:

$2^3\times 3^1\times {\mathrm{31}}^1\times {\mathrm{127}}^1\times {\mathrm{211}}^1$

素因数の和:378

約数の個数: 64

約数和(自身を含む): 52101120

約数和(自身を除く): 32164152

約数列:

[1, 2, 3, 4, 6, 8, 12, 24, 31, 62, 93, 124, 127, 186, 211, 248, 254, 372, 381, 422, 508, 633, 744, 762, 844, 1016, 1266, 1524, 1688, 2532, 3048, 3937, 5064, 6541, 7874, 11811, 13082, 15748, 19623, 23622, 26164, 26797, 31496, 39246, 47244, 52328, 53594, 78492, 80391, 94488, 107188, 156984, 160782, 214376, 321564, 643128, 830707, 1661414, 2492121, 3322828, 4984242, 6645656, 9968484, 19936968]

約数ペア:

[(1, 19936968), (2, 9968484), (3, 6645656), (4, 4984242), (6, 3322828), (8, 2492121), (12, 1661414), (24, 830707), (31, 643128), (62, 321564), (93, 214376), (124, 160782), (127, 156984), (186, 107188), (211, 94488), (248, 80391), (254, 78492), (372, 53594), (381, 52328), (422, 47244), (508, 39246), (633, 31496), (744, 26797), (762, 26164), (844, 23622), (1016, 19623), (1266, 15748), (1524, 13082), (1688, 11811), (2532, 7874), (3048, 6541), (3937, 5064)]