18054860

素因数分解:

$2^2\times 5^1\times {\mathrm{277}}^1\times {\mathrm{3259}}^1$

素因数の和:3545

約数の個数: 24

約数和(自身を含む): 38063760

約数和(自身を除く): 20008900

約数列:

[1, 2, 4, 5, 10, 20, 277, 554, 1108, 1385, 2770, 3259, 5540, 6518, 13036, 16295, 32590, 65180, 902743, 1805486, 3610972, 4513715, 9027430, 18054860]

約数ペア:

[(1, 18054860), (2, 9027430), (4, 4513715), (5, 3610972), (10, 1805486), (20, 902743), (277, 65180), (554, 32590), (1108, 16295), (1385, 13036), (2770, 6518), (3259, 5540)]