18287703

素因数分解:

$3^2\times 7^1\times {\mathrm{53}}^1\times {\mathrm{5477}}^1$

素因数の和:5543

約数の個数: 24

約数和(自身を含む): 30764448

約数和(自身を除く): 12476745

約数列:

[1, 3, 7, 9, 21, 53, 63, 159, 371, 477, 1113, 3339, 5477, 16431, 38339, 49293, 115017, 290281, 345051, 870843, 2031967, 2612529, 6095901, 18287703]

約数ペア:

[(1, 18287703), (3, 6095901), (7, 2612529), (9, 2031967), (21, 870843), (53, 345051), (63, 290281), (159, 115017), (371, 49293), (477, 38339), (1113, 16431), (3339, 5477)]