19414160

素因数分解:

$2^4\times 5^1\times {\mathrm{242677}}^1$

素因数の和:242690

約数の個数: 20

約数和(自身を含む): 45138108

約数和(自身を除く): 25723948

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 242677, 485354, 970708, 1213385, 1941416, 2426770, 3882832, 4853540, 9707080, 19414160]

約数ペア:

[(1, 19414160), (2, 9707080), (4, 4853540), (5, 3882832), (8, 2426770), (10, 1941416), (16, 1213385), (20, 970708), (40, 485354), (80, 242677)]