19843516

素因数分解:

$2^2\times 7^1\times {\mathrm{11}}^2\times {\mathrm{5857}}^1$

素因数の和:5890

約数の個数: 36

約数和(自身を含む): 43630384

約数和(自身を除く): 23786868

約数列:

[1, 2, 4, 7, 11, 14, 22, 28, 44, 77, 121, 154, 242, 308, 484, 847, 1694, 3388, 5857, 11714, 23428, 40999, 64427, 81998, 128854, 163996, 257708, 450989, 708697, 901978, 1417394, 1803956, 2834788, 4960879, 9921758, 19843516]

約数ペア:

[(1, 19843516), (2, 9921758), (4, 4960879), (7, 2834788), (11, 1803956), (14, 1417394), (22, 901978), (28, 708697), (44, 450989), (77, 257708), (121, 163996), (154, 128854), (242, 81998), (308, 64427), (484, 40999), (847, 23428), (1694, 11714), (3388, 5857)]