19982464

素因数分解:

$2^7\times {\mathrm{107}}^1\times {\mathrm{1459}}^1$

素因数の和:1580

約数の個数: 32

約数和(自身を含む): 40208400

約数和(自身を除く): 20225936

約数列:

[1, 2, 4, 8, 16, 32, 64, 107, 128, 214, 428, 856, 1459, 1712, 2918, 3424, 5836, 6848, 11672, 13696, 23344, 46688, 93376, 156113, 186752, 312226, 624452, 1248904, 2497808, 4995616, 9991232, 19982464]

約数ペア:

[(1, 19982464), (2, 9991232), (4, 4995616), (8, 2497808), (16, 1248904), (32, 624452), (64, 312226), (107, 186752), (128, 156113), (214, 93376), (428, 46688), (856, 23344), (1459, 13696), (1712, 11672), (2918, 6848), (3424, 5836)]