18232460

素因数分解:

$2^2\times 5^1\times {\mathrm{647}}^1\times {\mathrm{1409}}^1$

素因数の和:2065

約数の個数: 24

約数和(自身を含む): 38374560

約数和(自身を除く): 20142100

約数列:

[1, 2, 4, 5, 10, 20, 647, 1294, 1409, 2588, 2818, 3235, 5636, 6470, 7045, 12940, 14090, 28180, 911623, 1823246, 3646492, 4558115, 9116230, 18232460]

約数ペア:

[(1, 18232460), (2, 9116230), (4, 4558115), (5, 3646492), (10, 1823246), (20, 911623), (647, 28180), (1294, 14090), (1409, 12940), (2588, 7045), (2818, 6470), (3235, 5636)]