18023240

素因数分解:

$2^3\times 5^1\times {\mathrm{450581}}^1$

素因数の和:450592

約数の個数: 16

約数和(自身を含む): 40552380

約数和(自身を除く): 22529140

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 450581, 901162, 1802324, 2252905, 3604648, 4505810, 9011620, 18023240]

約数ペア:

[(1, 18023240), (2, 9011620), (4, 4505810), (5, 3604648), (8, 2252905), (10, 1802324), (20, 901162), (40, 450581)]