19460080

素因数分解:

$2^4\times 5^1\times {\mathrm{43}}^1\times {\mathrm{5657}}^1$

素因数の和:5713

約数の個数: 40

約数和(自身を含む): 46305072

約数和(自身を除く): 26844992

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 43, 80, 86, 172, 215, 344, 430, 688, 860, 1720, 3440, 5657, 11314, 22628, 28285, 45256, 56570, 90512, 113140, 226280, 243251, 452560, 486502, 973004, 1216255, 1946008, 2432510, 3892016, 4865020, 9730040, 19460080]

約数ペア:

[(1, 19460080), (2, 9730040), (4, 4865020), (5, 3892016), (8, 2432510), (10, 1946008), (16, 1216255), (20, 973004), (40, 486502), (43, 452560), (80, 243251), (86, 226280), (172, 113140), (215, 90512), (344, 56570), (430, 45256), (688, 28285), (860, 22628), (1720, 11314), (3440, 5657)]