19382240

素因数分解:

$2^5\times 5^1\times {\mathrm{121139}}^1$

素因数の和:121154

約数の個数: 24

約数和(自身を含む): 45790920

約数和(自身を除く): 26408680

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 80, 160, 121139, 242278, 484556, 605695, 969112, 1211390, 1938224, 2422780, 3876448, 4845560, 9691120, 19382240]

約数ペア:

[(1, 19382240), (2, 9691120), (4, 4845560), (5, 3876448), (8, 2422780), (10, 1938224), (16, 1211390), (20, 969112), (32, 605695), (40, 484556), (80, 242278), (160, 121139)]