18881925

素因数分解:

$3^1\times 5^2\times {\mathrm{271}}^1\times {\mathrm{929}}^1$

素因数の和:1213

約数の個数: 24

約数和(自身を含む): 31367040

約数和(自身を除く): 12485115

約数列:

[1, 3, 5, 15, 25, 75, 271, 813, 929, 1355, 2787, 4065, 4645, 6775, 13935, 20325, 23225, 69675, 251759, 755277, 1258795, 3776385, 6293975, 18881925]

約数ペア:

[(1, 18881925), (3, 6293975), (5, 3776385), (15, 1258795), (25, 755277), (75, 251759), (271, 69675), (813, 23225), (929, 20325), (1355, 13935), (2787, 6775), (4065, 4645)]