18920556

素因数分解:

$2^2\times 3^2\times {\mathrm{525571}}^1$

素因数の和:525581

約数の個数: 18

約数和(自身を含む): 47827052

約数和(自身を除く): 28906496

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 36, 525571, 1051142, 1576713, 2102284, 3153426, 4730139, 6306852, 9460278, 18920556]

約数ペア:

[(1, 18920556), (2, 9460278), (3, 6306852), (4, 4730139), (6, 3153426), (9, 2102284), (12, 1576713), (18, 1051142), (36, 525571)]