19633456

素因数分解:

$2^4\times {\mathrm{43}}^1\times {\mathrm{28537}}^1$

素因数の和:28588

約数の個数: 20

約数和(自身を含む): 38925832

約数和(自身を除く): 19292376

約数列:

[1, 2, 4, 8, 16, 43, 86, 172, 344, 688, 28537, 57074, 114148, 228296, 456592, 1227091, 2454182, 4908364, 9816728, 19633456]

約数ペア:

[(1, 19633456), (2, 9816728), (4, 4908364), (8, 2454182), (16, 1227091), (43, 456592), (86, 228296), (172, 114148), (344, 57074), (688, 28537)]