19885952

素因数分解:

$2^7\times {\mathrm{43}}^1\times {\mathrm{3613}}^1$

素因数の和:3670

約数の個数: 32

約数和(自身を含む): 40549080

約数和(自身を除く): 20663128

約数列:

[1, 2, 4, 8, 16, 32, 43, 64, 86, 128, 172, 344, 688, 1376, 2752, 3613, 5504, 7226, 14452, 28904, 57808, 115616, 155359, 231232, 310718, 462464, 621436, 1242872, 2485744, 4971488, 9942976, 19885952]

約数ペア:

[(1, 19885952), (2, 9942976), (4, 4971488), (8, 2485744), (16, 1242872), (32, 621436), (43, 462464), (64, 310718), (86, 231232), (128, 155359), (172, 115616), (344, 57808), (688, 28904), (1376, 14452), (2752, 7226), (3613, 5504)]