19983504

素因数分解:

$2^4\times 3^1\times {\mathrm{23}}^2\times {\mathrm{787}}^1$

素因数の和:844

約数の個数: 60

約数和(自身を含む): 54034736

約数和(自身を除く): 34051232

約数列:

[1, 2, 3, 4, 6, 8, 12, 16, 23, 24, 46, 48, 69, 92, 138, 184, 276, 368, 529, 552, 787, 1058, 1104, 1574, 1587, 2116, 2361, 3148, 3174, 4232, 4722, 6296, 6348, 8464, 9444, 12592, 12696, 18101, 18888, 25392, 36202, 37776, 54303, 72404, 108606, 144808, 217212, 289616, 416323, 434424, 832646, 868848, 1248969, 1665292, 2497938, 3330584, 4995876, 6661168, 9991752, 19983504]

約数ペア:

[(1, 19983504), (2, 9991752), (3, 6661168), (4, 4995876), (6, 3330584), (8, 2497938), (12, 1665292), (16, 1248969), (23, 868848), (24, 832646), (46, 434424), (48, 416323), (69, 289616), (92, 217212), (138, 144808), (184, 108606), (276, 72404), (368, 54303), (529, 37776), (552, 36202), (787, 25392), (1058, 18888), (1104, 18101), (1574, 12696), (1587, 12592), (2116, 9444), (2361, 8464), (3148, 6348), (3174, 6296), (4232, 4722)]