19640992

素因数分解:

$2^5\times 7^1\times {\mathrm{87683}}^1$

素因数の和:87700

約数の個数: 24

約数和(自身を含む): 44192736

約数和(自身を除く): 24551744

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 32, 56, 112, 224, 87683, 175366, 350732, 613781, 701464, 1227562, 1402928, 2455124, 2805856, 4910248, 9820496, 19640992]

約数ペア:

[(1, 19640992), (2, 9820496), (4, 4910248), (7, 2805856), (8, 2455124), (14, 1402928), (16, 1227562), (28, 701464), (32, 613781), (56, 350732), (112, 175366), (224, 87683)]