19356080

素因数分解:

$2^4\times 5^1\times {\mathrm{241951}}^1$

素因数の和:241964

約数の個数: 20

約数和(自身を含む): 45003072

約数和(自身を除く): 25646992

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 241951, 483902, 967804, 1209755, 1935608, 2419510, 3871216, 4839020, 9678040, 19356080]

約数ペア:

[(1, 19356080), (2, 9678040), (4, 4839020), (5, 3871216), (8, 2419510), (10, 1935608), (16, 1209755), (20, 967804), (40, 483902), (80, 241951)]