19389616

素因数分解:

$2^4\times {\mathrm{449}}^1\times {\mathrm{2699}}^1$

素因数の和:3156

約数の個数: 20

約数和(自身を含む): 37665000

約数和(自身を除く): 18275384

約数列:

[1, 2, 4, 8, 16, 449, 898, 1796, 2699, 3592, 5398, 7184, 10796, 21592, 43184, 1211851, 2423702, 4847404, 9694808, 19389616]

約数ペア:

[(1, 19389616), (2, 9694808), (4, 4847404), (8, 2423702), (16, 1211851), (449, 43184), (898, 21592), (1796, 10796), (2699, 7184), (3592, 5398)]