19481552

素因数分解:

$2^4\times {\mathrm{23}}^1\times {\mathrm{167}}^1\times {\mathrm{317}}^1$

素因数の和:515

約数の個数: 40

約数和(自身を含む): 39747456

約数和(自身を除く): 20265904

約数列:

[1, 2, 4, 8, 16, 23, 46, 92, 167, 184, 317, 334, 368, 634, 668, 1268, 1336, 2536, 2672, 3841, 5072, 7291, 7682, 14582, 15364, 29164, 30728, 52939, 58328, 61456, 105878, 116656, 211756, 423512, 847024, 1217597, 2435194, 4870388, 9740776, 19481552]

約数ペア:

[(1, 19481552), (2, 9740776), (4, 4870388), (8, 2435194), (16, 1217597), (23, 847024), (46, 423512), (92, 211756), (167, 116656), (184, 105878), (317, 61456), (334, 58328), (368, 52939), (634, 30728), (668, 29164), (1268, 15364), (1336, 14582), (2536, 7682), (2672, 7291), (3841, 5072)]