18971808

素因数分解:

$2^5\times 3^1\times {\mathrm{83}}^1\times {\mathrm{2381}}^1$

素因数の和:2477

約数の個数: 48

約数和(自身を含む): 50422176

約数和(自身を除く): 31450368

約数列:

[1, 2, 3, 4, 6, 8, 12, 16, 24, 32, 48, 83, 96, 166, 249, 332, 498, 664, 996, 1328, 1992, 2381, 2656, 3984, 4762, 7143, 7968, 9524, 14286, 19048, 28572, 38096, 57144, 76192, 114288, 197623, 228576, 395246, 592869, 790492, 1185738, 1580984, 2371476, 3161968, 4742952, 6323936, 9485904, 18971808]

約数ペア:

[(1, 18971808), (2, 9485904), (3, 6323936), (4, 4742952), (6, 3161968), (8, 2371476), (12, 1580984), (16, 1185738), (24, 790492), (32, 592869), (48, 395246), (83, 228576), (96, 197623), (166, 114288), (249, 76192), (332, 57144), (498, 38096), (664, 28572), (996, 19048), (1328, 14286), (1992, 9524), (2381, 7968), (2656, 7143), (3984, 4762)]