18266480

素因数分解:

$2^4\times 5^1\times {\mathrm{228331}}^1$

素因数の和:228344

約数の個数: 20

約数和(自身を含む): 42469752

約数和(自身を除く): 24203272

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 228331, 456662, 913324, 1141655, 1826648, 2283310, 3653296, 4566620, 9133240, 18266480]

約数ペア:

[(1, 18266480), (2, 9133240), (4, 4566620), (5, 3653296), (8, 2283310), (10, 1826648), (16, 1141655), (20, 913324), (40, 456662), (80, 228331)]