19376080

素因数分解:

$2^4\times 5^1\times {\mathrm{242201}}^1$

素因数の和:242214

約数の個数: 20

約数和(自身を含む): 45049572

約数和(自身を除く): 25673492

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 242201, 484402, 968804, 1211005, 1937608, 2422010, 3875216, 4844020, 9688040, 19376080]

約数ペア:

[(1, 19376080), (2, 9688040), (4, 4844020), (5, 3875216), (8, 2422010), (10, 1937608), (16, 1211005), (20, 968804), (40, 484402), (80, 242201)]