18053240

素因数分解:

$2^3\times 5^1\times {\mathrm{451331}}^1$

素因数の和:451342

約数の個数: 16

約数和(自身を含む): 40619880

約数和(自身を除く): 22566640

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 451331, 902662, 1805324, 2256655, 3610648, 4513310, 9026620, 18053240]

約数ペア:

[(1, 18053240), (2, 9026620), (4, 4513310), (5, 3610648), (8, 2256655), (10, 1805324), (20, 902662), (40, 451331)]